Home / 20,565,432.87-30,851,617.43-6,915,334.46

Finding the Fourth Proportional to 20,565,432.87, 30,851,617.43 and 6,915,334.46

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Solution

The fourth proportional to 20,565,432.87, 30,851,617.43 and 6,915,334.46 is: 10,374,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565,432.87 : 30,851,617.43 = 6,915,334.46 : x
  2. Step 2: Convert to fraction form
    20,565,432.87/30,851,617.43 = 6,915,334.46/x
  3. Step 3: Cross multiply
    20,565,432.87x = 30,851,617.43 × 6,915,334.46
  4. Step 4: Simplify right side
    20,565,432.87x = 213,349,253,023,445.91
  5. Step 5: Solve for x
    x = 213,349,253,023,445.91/20,565,432.87
  6. Step 6: Final answer
    x = 10,374,167.88

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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.