Home / 21,194,957.85-29,249,748.33-11,904,165.18

Finding the Fourth Proportional to 21,194,957.85, 29,249,748.33 and 11,904,165.18

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Solution

The fourth proportional to 21,194,957.85, 29,249,748.33 and 11,904,165.18 is: 16,428,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194,957.85 : 29,249,748.33 = 11,904,165.18 : x
  2. Step 2: Convert to fraction form
    21,194,957.85/29,249,748.33 = 11,904,165.18/x
  3. Step 3: Cross multiply
    21,194,957.85x = 29,249,748.33 × 11,904,165.18
  4. Step 4: Simplify right side
    21,194,957.85x = 348,193,835,500,332.75
  5. Step 5: Solve for x
    x = 348,193,835,500,332.75/21,194,957.85
  6. Step 6: Final answer
    x = 16,428,144.75

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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.