Home / 12,442,109.50-18,670,512.57-5,253,178.06

Finding the Fourth Proportional to 12,442,109.50, 18,670,512.57 and 5,253,178.06

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Solution

The fourth proportional to 12,442,109.50, 18,670,512.57 and 5,253,178.06 is: 7,882,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,109.50 : 18,670,512.57 = 5,253,178.06 : x
  2. Step 2: Convert to fraction form
    12,442,109.50/18,670,512.57 = 5,253,178.06/x
  3. Step 3: Cross multiply
    12,442,109.50x = 18,670,512.57 × 5,253,178.06
  4. Step 4: Simplify right side
    12,442,109.50x = 98,079,527,001,678.20
  5. Step 5: Solve for x
    x = 98,079,527,001,678.20/12,442,109.50
  6. Step 6: Final answer
    x = 7,882,869.62

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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.