Home / 10,440,920.60-15,661,380.90-5,657,951.60

Finding the Fourth Proportional to 10,440,920.60, 15,661,380.90 and 5,657,951.60

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Solution

The fourth proportional to 10,440,920.60, 15,661,380.90 and 5,657,951.60 is: 8,486,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440,920.60 : 15,661,380.90 = 5,657,951.60 : x
  2. Step 2: Convert to fraction form
    10,440,920.60/15,661,380.90 = 5,657,951.60/x
  3. Step 3: Cross multiply
    10,440,920.60x = 15,661,380.90 × 5,657,951.60
  4. Step 4: Simplify right side
    10,440,920.60x = 88,611,335,121,364.44
  5. Step 5: Solve for x
    x = 88,611,335,121,364.44/10,440,920.60
  6. Step 6: Final answer
    x = 8,486,927.40

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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.