Home / 11,028,902.10-16,543,353.15-7,981,973.70

Finding the Fourth Proportional to 11,028,902.10, 16,543,353.15 and 7,981,973.70

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Solution

The fourth proportional to 11,028,902.10, 16,543,353.15 and 7,981,973.70 is: 11,972,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,902.10 : 16,543,353.15 = 7,981,973.70 : x
  2. Step 2: Convert to fraction form
    11,028,902.10/16,543,353.15 = 7,981,973.70/x
  3. Step 3: Cross multiply
    11,028,902.10x = 16,543,353.15 × 7,981,973.70
  4. Step 4: Simplify right side
    11,028,902.10x = 132,048,609,753,112.16
  5. Step 5: Solve for x
    x = 132,048,609,753,112.16/11,028,902.10
  6. Step 6: Final answer
    x = 11,972,960.55

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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.