Home / 12,678,665.28-19,001,174.76-6,906,591.24

Finding the Fourth Proportional to 12,678,665.28, 19,001,174.76 and 6,906,591.24

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Solution

The fourth proportional to 12,678,665.28, 19,001,174.76 and 6,906,591.24 is: 10,350,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678,665.28 : 19,001,174.76 = 6,906,591.24 : x
  2. Step 2: Convert to fraction form
    12,678,665.28/19,001,174.76 = 6,906,591.24/x
  3. Step 3: Cross multiply
    12,678,665.28x = 19,001,174.76 × 6,906,591.24
  4. Step 4: Simplify right side
    12,678,665.28x = 131,233,347,147,125.12
  5. Step 5: Solve for x
    x = 131,233,347,147,125.12/12,678,665.28
  6. Step 6: Final answer
    x = 10,350,722.59

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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.