Home / 10,440,920.10-15,661,380.15-5,657,951.10

Finding the Fourth Proportional to 10,440,920.10, 15,661,380.15 and 5,657,951.10

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Solution

The fourth proportional to 10,440,920.10, 15,661,380.15 and 5,657,951.10 is: 8,486,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440,920.10 : 15,661,380.15 = 5,657,951.10 : x
  2. Step 2: Convert to fraction form
    10,440,920.10/15,661,380.15 = 5,657,951.10/x
  3. Step 3: Cross multiply
    10,440,920.10x = 15,661,380.15 × 5,657,951.10
  4. Step 4: Simplify right side
    10,440,920.10x = 88,611,323,047,210.66
  5. Step 5: Solve for x
    x = 88,611,323,047,210.66/10,440,920.10
  6. Step 6: Final answer
    x = 8,486,926.65

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Double scale
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Similar ratio
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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.