Home / 12,951,494.28-17,873,660.34-7,151,099.40

Finding the Fourth Proportional to 12,951,494.28, 17,873,660.34 and 7,151,099.40

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Solution

The fourth proportional to 12,951,494.28, 17,873,660.34 and 7,151,099.40 is: 9,868,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,494.28 : 17,873,660.34 = 7,151,099.40 : x
  2. Step 2: Convert to fraction form
    12,951,494.28/17,873,660.34 = 7,151,099.40/x
  3. Step 3: Cross multiply
    12,951,494.28x = 17,873,660.34 × 7,151,099.40
  4. Step 4: Simplify right side
    12,951,494.28x = 127,816,321,733,177.80
  5. Step 5: Solve for x
    x = 127,816,321,733,177.80/12,951,494.28
  6. Step 6: Final answer
    x = 9,868,847.48

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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.