Home / 28,146,049.57-42,246,375.30-13,583,217.55

Finding the Fourth Proportional to 28,146,049.57, 42,246,375.30 and 13,583,217.55

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Solution

The fourth proportional to 28,146,049.57, 42,246,375.30 and 13,583,217.55 is: 20,388,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146,049.57 : 42,246,375.30 = 13,583,217.55 : x
  2. Step 2: Convert to fraction form
    28,146,049.57/42,246,375.30 = 13,583,217.55/x
  3. Step 3: Cross multiply
    28,146,049.57x = 42,246,375.30 × 13,583,217.55
  4. Step 4: Simplify right side
    28,146,049.57x = 573,841,706,398,846.50
  5. Step 5: Solve for x
    x = 573,841,706,398,846.50/28,146,049.57
  6. Step 6: Final answer
    x = 20,388,001.70

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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.