Home / 12,770,489.28-17,608,917.60-10,440,177.60

Finding the Fourth Proportional to 12,770,489.28, 17,608,917.60 and 10,440,177.60

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Solution

The fourth proportional to 12,770,489.28, 17,608,917.60 and 10,440,177.60 is: 14,395,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,489.28 : 17,608,917.60 = 10,440,177.60 : x
  2. Step 2: Convert to fraction form
    12,770,489.28/17,608,917.60 = 10,440,177.60/x
  3. Step 3: Cross multiply
    12,770,489.28x = 17,608,917.60 × 10,440,177.60
  4. Step 4: Simplify right side
    12,770,489.28x = 183,840,227,087,765.78
  5. Step 5: Solve for x
    x = 183,840,227,087,765.78/12,770,489.28
  6. Step 6: Final answer
    x = 14,395,707.40

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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.