Home / 10,487,713.20-15,731,569.80-3,301,449.90

Finding the Fourth Proportional to 10,487,713.20, 15,731,569.80 and 3,301,449.90

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Solution

The fourth proportional to 10,487,713.20, 15,731,569.80 and 3,301,449.90 is: 4,952,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487,713.20 : 15,731,569.80 = 3,301,449.90 : x
  2. Step 2: Convert to fraction form
    10,487,713.20/15,731,569.80 = 3,301,449.90/x
  3. Step 3: Cross multiply
    10,487,713.20x = 15,731,569.80 × 3,301,449.90
  4. Step 4: Simplify right side
    10,487,713.20x = 51,936,989,543,053.02
  5. Step 5: Solve for x
    x = 51,936,989,543,053.02/10,487,713.20
  6. Step 6: Final answer
    x = 4,952,174.85

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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.