Home / 12,428,553.92-17,146,761.92-12,409,393.92

Finding the Fourth Proportional to 12,428,553.92, 17,146,761.92 and 12,409,393.92

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Solution

The fourth proportional to 12,428,553.92, 17,146,761.92 and 12,409,393.92 is: 17,120,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,428,553.92 : 17,146,761.92 = 12,409,393.92 : x
  2. Step 2: Convert to fraction form
    12,428,553.92/17,146,761.92 = 12,409,393.92/x
  3. Step 3: Cross multiply
    12,428,553.92x = 17,146,761.92 × 12,409,393.92
  4. Step 4: Simplify right side
    12,428,553.92x = 212,780,923,117,735.56
  5. Step 5: Solve for x
    x = 212,780,923,117,735.56/12,428,553.92
  6. Step 6: Final answer
    x = 17,120,328.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.