Home / 28,134,332.13-42,195,593.25-7,934,850.21

Finding the Fourth Proportional to 28,134,332.13, 42,195,593.25 and 7,934,850.21

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Solution

The fourth proportional to 28,134,332.13, 42,195,593.25 and 7,934,850.21 is: 11,900,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,332.13 : 42,195,593.25 = 7,934,850.21 : x
  2. Step 2: Convert to fraction form
    28,134,332.13/42,195,593.25 = 7,934,850.21/x
  3. Step 3: Cross multiply
    28,134,332.13x = 42,195,593.25 × 7,934,850.21
  4. Step 4: Simplify right side
    28,134,332.13x = 334,815,712,119,070.56
  5. Step 5: Solve for x
    x = 334,815,712,119,070.56/28,134,332.13
  6. Step 6: Final answer
    x = 11,900,609.92

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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.