Home / 21,194,966.87-29,249,760.77-11,904,174.18

Finding the Fourth Proportional to 21,194,966.87, 29,249,760.77 and 11,904,174.18

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Solution

The fourth proportional to 21,194,966.87, 29,249,760.77 and 11,904,174.18 is: 16,428,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194,966.87 : 29,249,760.77 = 11,904,174.18 : x
  2. Step 2: Convert to fraction form
    21,194,966.87/29,249,760.77 = 11,904,174.18/x
  3. Step 3: Cross multiply
    21,194,966.87x = 29,249,760.77 × 11,904,174.18
  4. Step 4: Simplify right side
    21,194,966.87x = 348,194,246,869,890.06
  5. Step 5: Solve for x
    x = 348,194,246,869,890.06/21,194,966.87
  6. Step 6: Final answer
    x = 16,428,157.17

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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.