Home / 21,612,883.52-32,416,929.30-5,438,839.16

Finding the Fourth Proportional to 21,612,883.52, 32,416,929.30 and 5,438,839.16

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Solution

The fourth proportional to 21,612,883.52, 32,416,929.30 and 5,438,839.16 is: 8,157,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612,883.52 : 32,416,929.30 = 5,438,839.16 : x
  2. Step 2: Convert to fraction form
    21,612,883.52/32,416,929.30 = 5,438,839.16/x
  3. Step 3: Cross multiply
    21,612,883.52x = 32,416,929.30 × 5,438,839.16
  4. Step 4: Simplify right side
    21,612,883.52x = 176,310,464,625,229.34
  5. Step 5: Solve for x
    x = 176,310,464,625,229.34/21,612,883.52
  6. Step 6: Final answer
    x = 8,157,655.80

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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.