Home / 12,140,632.32-18,178,316.28-9,248,221.68

Finding the Fourth Proportional to 12,140,632.32, 18,178,316.28 and 9,248,221.68

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Solution

The fourth proportional to 12,140,632.32, 18,178,316.28 and 9,248,221.68 is: 13,847,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,632.32 : 18,178,316.28 = 9,248,221.68 : x
  2. Step 2: Convert to fraction form
    12,140,632.32/18,178,316.28 = 9,248,221.68/x
  3. Step 3: Cross multiply
    12,140,632.32x = 18,178,316.28 × 9,248,221.68
  4. Step 4: Simplify right side
    12,140,632.32x = 168,117,098,726,592.97
  5. Step 5: Solve for x
    x = 168,117,098,726,592.97/12,140,632.32
  6. Step 6: Final answer
    x = 13,847,474.69

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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.