Home / 47,681,210.22-71,509,010.20-13,129,385.88

Finding the Fourth Proportional to 47,681,210.22, 71,509,010.20 and 13,129,385.88

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Solution

The fourth proportional to 47,681,210.22, 71,509,010.20 and 13,129,385.88 is: 19,690,552.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,681,210.22 : 71,509,010.20 = 13,129,385.88 : x
  2. Step 2: Convert to fraction form
    47,681,210.22/71,509,010.20 = 13,129,385.88/x
  3. Step 3: Cross multiply
    47,681,210.22x = 71,509,010.20 × 13,129,385.88
  4. Step 4: Simplify right side
    47,681,210.22x = 938,869,388,812,656.12
  5. Step 5: Solve for x
    x = 938,869,388,812,656.12/47,681,210.22
  6. Step 6: Final answer
    x = 19,690,552.83

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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.