Home / 21,489,023.60-32,208,652.20-8,701,132.40

Finding the Fourth Proportional to 21,489,023.60, 32,208,652.20 and 8,701,132.40

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Solution

The fourth proportional to 21,489,023.60, 32,208,652.20 and 8,701,132.40 is: 13,041,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,489,023.60 : 32,208,652.20 = 8,701,132.40 : x
  2. Step 2: Convert to fraction form
    21,489,023.60/32,208,652.20 = 8,701,132.40/x
  3. Step 3: Cross multiply
    21,489,023.60x = 32,208,652.20 × 8,701,132.40
  4. Step 4: Simplify right side
    21,489,023.60x = 280,251,747,217,751.28
  5. Step 5: Solve for x
    x = 280,251,747,217,751.28/21,489,023.60
  6. Step 6: Final answer
    x = 13,041,623.13

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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.