Home / 21,781,806.90-32,672,710.35-14,615,445.30

Finding the Fourth Proportional to 21,781,806.90, 32,672,710.35 and 14,615,445.30

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Solution

The fourth proportional to 21,781,806.90, 32,672,710.35 and 14,615,445.30 is: 21,923,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,806.90 : 32,672,710.35 = 14,615,445.30 : x
  2. Step 2: Convert to fraction form
    21,781,806.90/32,672,710.35 = 14,615,445.30/x
  3. Step 3: Cross multiply
    21,781,806.90x = 32,672,710.35 × 14,615,445.30
  4. Step 4: Simplify right side
    21,781,806.90x = 477,526,210,923,168.88
  5. Step 5: Solve for x
    x = 477,526,210,923,168.88/21,781,806.90
  6. Step 6: Final answer
    x = 21,923,167.95

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Double scale
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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.