Home / 47,442,307.20-71,175,124.80-13,363,209.60

Finding the Fourth Proportional to 47,442,307.20, 71,175,124.80 and 13,363,209.60

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Solution

The fourth proportional to 47,442,307.20, 71,175,124.80 and 13,363,209.60 is: 20,048,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,442,307.20 : 71,175,124.80 = 13,363,209.60 : x
  2. Step 2: Convert to fraction form
    47,442,307.20/71,175,124.80 = 13,363,209.60/x
  3. Step 3: Cross multiply
    47,442,307.20x = 71,175,124.80 × 13,363,209.60
  4. Step 4: Simplify right side
    47,442,307.20x = 951,128,111,008,558
  5. Step 5: Solve for x
    x = 951,128,111,008,558/47,442,307.20
  6. Step 6: Final answer
    x = 20,048,099.83

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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.