Home / 21,316,144.13-29,414,491.02-12,612,791.73

Finding the Fourth Proportional to 21,316,144.13, 29,414,491.02 and 12,612,791.73

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Solution

The fourth proportional to 21,316,144.13, 29,414,491.02 and 12,612,791.73 is: 17,404,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,316,144.13 : 29,414,491.02 = 12,612,791.73 : x
  2. Step 2: Convert to fraction form
    21,316,144.13/29,414,491.02 = 12,612,791.73/x
  3. Step 3: Cross multiply
    21,316,144.13x = 29,414,491.02 × 12,612,791.73
  4. Step 4: Simplify right side
    21,316,144.13x = 370,998,849,079,215.25
  5. Step 5: Solve for x
    x = 370,998,849,079,215.25/21,316,144.13
  6. Step 6: Final answer
    x = 17,404,594.70

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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.