Home / 18,824,680-28,248,965.07-8,042,062.06

Finding the Fourth Proportional to 18,824,680, 28,248,965.07 and 8,042,062.06

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Solution

The fourth proportional to 18,824,680, 28,248,965.07 and 8,042,062.06 is: 12,068,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824,680 : 28,248,965.07 = 8,042,062.06 : x
  2. Step 2: Convert to fraction form
    18,824,680/28,248,965.07 = 8,042,062.06/x
  3. Step 3: Cross multiply
    18,824,680x = 28,248,965.07 × 8,042,062.06
  4. Step 4: Simplify right side
    18,824,680x = 227,179,930,223,712.25
  5. Step 5: Solve for x
    x = 227,179,930,223,712.25/18,824,680
  6. Step 6: Final answer
    x = 12,068,196.12

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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.