Home / 10,900,747.28-15,042,892.15-5,939,395.40

Finding the Fourth Proportional to 10,900,747.28, 15,042,892.15 and 5,939,395.40

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Solution

The fourth proportional to 10,900,747.28, 15,042,892.15 and 5,939,395.40 is: 8,196,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,747.28 : 15,042,892.15 = 5,939,395.40 : x
  2. Step 2: Convert to fraction form
    10,900,747.28/15,042,892.15 = 5,939,395.40/x
  3. Step 3: Cross multiply
    10,900,747.28x = 15,042,892.15 × 5,939,395.40
  4. Step 4: Simplify right side
    10,900,747.28x = 89,345,684,348,343.16
  5. Step 5: Solve for x
    x = 89,345,684,348,343.16/10,900,747.28
  6. Step 6: Final answer
    x = 8,196,289.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.