Home / 10,657,000.20-15,985,500.30-7,465,729.80

Finding the Fourth Proportional to 10,657,000.20, 15,985,500.30 and 7,465,729.80

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Solution

The fourth proportional to 10,657,000.20, 15,985,500.30 and 7,465,729.80 is: 11,198,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,000.20 : 15,985,500.30 = 7,465,729.80 : x
  2. Step 2: Convert to fraction form
    10,657,000.20/15,985,500.30 = 7,465,729.80/x
  3. Step 3: Cross multiply
    10,657,000.20x = 15,985,500.30 × 7,465,729.80
  4. Step 4: Simplify right side
    10,657,000.20x = 119,343,425,957,618.94
  5. Step 5: Solve for x
    x = 119,343,425,957,618.94/10,657,000.20
  6. Step 6: Final answer
    x = 11,198,594.70

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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.