Home / 21,650,233.10-29,877,319.19-12,948,404.31

Finding the Fourth Proportional to 21,650,233.10, 29,877,319.19 and 12,948,404.31

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Solution

The fourth proportional to 21,650,233.10, 29,877,319.19 and 12,948,404.31 is: 17,868,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650,233.10 : 29,877,319.19 = 12,948,404.31 : x
  2. Step 2: Convert to fraction form
    21,650,233.10/29,877,319.19 = 12,948,404.31/x
  3. Step 3: Cross multiply
    21,650,233.10x = 29,877,319.19 × 12,948,404.31
  4. Step 4: Simplify right side
    21,650,233.10x = 386,863,608,603,412.75
  5. Step 5: Solve for x
    x = 386,863,608,603,412.75/21,650,233.10
  6. Step 6: Final answer
    x = 17,868,796.47

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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.