Home / 18,672,195.52-28,007,301.48-5,718,342.16

Finding the Fourth Proportional to 18,672,195.52, 28,007,301.48 and 5,718,342.16

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Solution

The fourth proportional to 18,672,195.52, 28,007,301.48 and 5,718,342.16 is: 8,577,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672,195.52 : 28,007,301.48 = 5,718,342.16 : x
  2. Step 2: Convert to fraction form
    18,672,195.52/28,007,301.48 = 5,718,342.16/x
  3. Step 3: Cross multiply
    18,672,195.52x = 28,007,301.48 × 5,718,342.16
  4. Step 4: Simplify right side
    18,672,195.52x = 160,155,332,840,914.41
  5. Step 5: Solve for x
    x = 160,155,332,840,914.41/18,672,195.52
  6. Step 6: Final answer
    x = 8,577,209.50

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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.