Home / 10,134,061.20-15,203,683.80-7,148,077.20

Finding the Fourth Proportional to 10,134,061.20, 15,203,683.80 and 7,148,077.20

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Solution

The fourth proportional to 10,134,061.20, 15,203,683.80 and 7,148,077.20 is: 10,723,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,061.20 : 15,203,683.80 = 7,148,077.20 : x
  2. Step 2: Convert to fraction form
    10,134,061.20/15,203,683.80 = 7,148,077.20/x
  3. Step 3: Cross multiply
    10,134,061.20x = 15,203,683.80 × 7,148,077.20
  4. Step 4: Simplify right side
    10,134,061.20x = 108,677,105,526,789.38
  5. Step 5: Solve for x
    x = 108,677,105,526,789.38/10,134,061.20
  6. Step 6: Final answer
    x = 10,723,944.07

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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.