Home / 14,378,854.05-21,581,567.10-7,195,543.20

Finding the Fourth Proportional to 14,378,854.05, 21,581,567.10 and 7,195,543.20

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Solution

The fourth proportional to 14,378,854.05, 21,581,567.10 and 7,195,543.20 is: 10,799,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378,854.05 : 21,581,567.10 = 7,195,543.20 : x
  2. Step 2: Convert to fraction form
    14,378,854.05/21,581,567.10 = 7,195,543.20/x
  3. Step 3: Cross multiply
    14,378,854.05x = 21,581,567.10 × 7,195,543.20
  4. Step 4: Simplify right side
    14,378,854.05x = 155,291,098,391,748.75
  5. Step 5: Solve for x
    x = 155,291,098,391,748.75/14,378,854.05
  6. Step 6: Final answer
    x = 10,799,963.46

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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.