Home / 8,367,339.40-12,551,009.10-5,656,990.30

Finding the Fourth Proportional to 8,367,339.40, 12,551,009.10 and 5,656,990.30

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Solution

The fourth proportional to 8,367,339.40, 12,551,009.10 and 5,656,990.30 is: 8,485,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367,339.40 : 12,551,009.10 = 5,656,990.30 : x
  2. Step 2: Convert to fraction form
    8,367,339.40/12,551,009.10 = 5,656,990.30/x
  3. Step 3: Cross multiply
    8,367,339.40x = 12,551,009.10 × 5,656,990.30
  4. Step 4: Simplify right side
    8,367,339.40x = 71,000,936,733,911.72
  5. Step 5: Solve for x
    x = 71,000,936,733,911.72/8,367,339.40
  6. Step 6: Final answer
    x = 8,485,485.45

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Half scale
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Double scale
Find fourth proportional to 8,367,340.40, 12,551,010.60 and 5,656,991.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.