Home / 21,335,534.28-29,443,127.14-11,545,978.96

Finding the Fourth Proportional to 21,335,534.28, 29,443,127.14 and 11,545,978.96

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Solution

The fourth proportional to 21,335,534.28, 29,443,127.14 and 11,545,978.96 is: 15,933,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,534.28 : 29,443,127.14 = 11,545,978.96 : x
  2. Step 2: Convert to fraction form
    21,335,534.28/29,443,127.14 = 11,545,978.96/x
  3. Step 3: Cross multiply
    21,335,534.28x = 29,443,127.14 × 11,545,978.96
  4. Step 4: Simplify right side
    21,335,534.28x = 339,949,726,475,045
  5. Step 5: Solve for x
    x = 339,949,726,475,045/21,335,534.28
  6. Step 6: Final answer
    x = 15,933,499.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.