Home / 29,160,007.20-43,740,010.80-8,689,687.20

Finding the Fourth Proportional to 29,160,007.20, 43,740,010.80 and 8,689,687.20

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Solution

The fourth proportional to 29,160,007.20, 43,740,010.80 and 8,689,687.20 is: 13,034,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,160,007.20 : 43,740,010.80 = 8,689,687.20 : x
  2. Step 2: Convert to fraction form
    29,160,007.20/43,740,010.80 = 8,689,687.20/x
  3. Step 3: Cross multiply
    29,160,007.20x = 43,740,010.80 × 8,689,687.20
  4. Step 4: Simplify right side
    29,160,007.20x = 380,087,011,976,621.69
  5. Step 5: Solve for x
    x = 380,087,011,976,621.69/29,160,007.20
  6. Step 6: Final answer
    x = 13,034,530.80

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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.