Home / 20,763,008.40-31,144,512.60-15,023,445.60

Finding the Fourth Proportional to 20,763,008.40, 31,144,512.60 and 15,023,445.60

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Solution

The fourth proportional to 20,763,008.40, 31,144,512.60 and 15,023,445.60 is: 22,535,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,008.40 : 31,144,512.60 = 15,023,445.60 : x
  2. Step 2: Convert to fraction form
    20,763,008.40/31,144,512.60 = 15,023,445.60/x
  3. Step 3: Cross multiply
    20,763,008.40x = 31,144,512.60 × 15,023,445.60
  4. Step 4: Simplify right side
    20,763,008.40x = 467,897,890,784,614.56
  5. Step 5: Solve for x
    x = 467,897,890,784,614.56/20,763,008.40
  6. Step 6: Final answer
    x = 22,535,168.40

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1.5x scale

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.