Home / 20,444,569-30,657,872.22-7,656,104.68

Finding the Fourth Proportional to 20,444,569, 30,657,872.22 and 7,656,104.68

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Solution

The fourth proportional to 20,444,569, 30,657,872.22 and 7,656,104.68 is: 11,480,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444,569 : 30,657,872.22 = 7,656,104.68 : x
  2. Step 2: Convert to fraction form
    20,444,569/30,657,872.22 = 7,656,104.68/x
  3. Step 3: Cross multiply
    20,444,569x = 30,657,872.22 × 7,656,104.68
  4. Step 4: Simplify right side
    20,444,569x = 234,719,878,982,383.97
  5. Step 5: Solve for x
    x = 234,719,878,982,383.97/20,444,569
  6. Step 6: Final answer
    x = 11,480,793.70

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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.