Home / 10,367,997.20-15,551,995.80-6,381,155.60

Finding the Fourth Proportional to 10,367,997.20, 15,551,995.80 and 6,381,155.60

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Solution

The fourth proportional to 10,367,997.20, 15,551,995.80 and 6,381,155.60 is: 9,571,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,997.20 : 15,551,995.80 = 6,381,155.60 : x
  2. Step 2: Convert to fraction form
    10,367,997.20/15,551,995.80 = 6,381,155.60/x
  3. Step 3: Cross multiply
    10,367,997.20x = 15,551,995.80 × 6,381,155.60
  4. Step 4: Simplify right side
    10,367,997.20x = 99,239,705,090,346.48
  5. Step 5: Solve for x
    x = 99,239,705,090,346.48/10,367,997.20
  6. Step 6: Final answer
    x = 9,571,733.40

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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.