Home / 21,561,083.60-32,341,625.40-8,790,753.20

Finding the Fourth Proportional to 21,561,083.60, 32,341,625.40 and 8,790,753.20

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Solution

The fourth proportional to 21,561,083.60, 32,341,625.40 and 8,790,753.20 is: 13,186,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,083.60 : 32,341,625.40 = 8,790,753.20 : x
  2. Step 2: Convert to fraction form
    21,561,083.60/32,341,625.40 = 8,790,753.20/x
  3. Step 3: Cross multiply
    21,561,083.60x = 32,341,625.40 × 8,790,753.20
  4. Step 4: Simplify right side
    21,561,083.60x = 284,307,246,978,251.25
  5. Step 5: Solve for x
    x = 284,307,246,978,251.25/21,561,083.60
  6. Step 6: Final answer
    x = 13,186,129.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.