Home / 18,914,481.64-28,375,966.86-5,785,047.46

Finding the Fourth Proportional to 18,914,481.64, 28,375,966.86 and 5,785,047.46

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Solution

The fourth proportional to 18,914,481.64, 28,375,966.86 and 5,785,047.46 is: 8,678,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914,481.64 : 28,375,966.86 = 5,785,047.46 : x
  2. Step 2: Convert to fraction form
    18,914,481.64/28,375,966.86 = 5,785,047.46/x
  3. Step 3: Cross multiply
    18,914,481.64x = 28,375,966.86 × 5,785,047.46
  4. Step 4: Simplify right side
    18,914,481.64x = 164,156,315,008,487.16
  5. Step 5: Solve for x
    x = 164,156,315,008,487.16/18,914,481.64
  6. Step 6: Final answer
    x = 8,678,869.35

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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.