Home / 15,146,616.92-22,719,761.28-12,099,688.52

Finding the Fourth Proportional to 15,146,616.92, 22,719,761.28 and 12,099,688.52

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Solution

The fourth proportional to 15,146,616.92, 22,719,761.28 and 12,099,688.52 is: 18,149,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146,616.92 : 22,719,761.28 = 12,099,688.52 : x
  2. Step 2: Convert to fraction form
    15,146,616.92/22,719,761.28 = 12,099,688.52/x
  3. Step 3: Cross multiply
    15,146,616.92x = 22,719,761.28 × 12,099,688.52
  4. Step 4: Simplify right side
    15,146,616.92x = 274,902,034,736,756.50
  5. Step 5: Solve for x
    x = 274,902,034,736,756.50/15,146,616.92
  6. Step 6: Final answer
    x = 18,149,401.69

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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.