Home / 12,367,371.60-18,551,057.40-5,990,079.60

Finding the Fourth Proportional to 12,367,371.60, 18,551,057.40 and 5,990,079.60

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Solution

The fourth proportional to 12,367,371.60, 18,551,057.40 and 5,990,079.60 is: 8,985,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,371.60 : 18,551,057.40 = 5,990,079.60 : x
  2. Step 2: Convert to fraction form
    12,367,371.60/18,551,057.40 = 5,990,079.60/x
  3. Step 3: Cross multiply
    12,367,371.60x = 18,551,057.40 × 5,990,079.60
  4. Step 4: Simplify right side
    12,367,371.60x = 111,122,310,490,169.03
  5. Step 5: Solve for x
    x = 111,122,310,490,169.03/12,367,371.60
  6. Step 6: Final answer
    x = 8,985,119.40

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Double scale
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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.