Home / 18,676,496.16-28,020,158.82-7,744,655.97

Finding the Fourth Proportional to 18,676,496.16, 28,020,158.82 and 7,744,655.97

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Solution

The fourth proportional to 18,676,496.16, 28,020,158.82 and 7,744,655.97 is: 11,619,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676,496.16 : 28,020,158.82 = 7,744,655.97 : x
  2. Step 2: Convert to fraction form
    18,676,496.16/28,020,158.82 = 7,744,655.97/x
  3. Step 3: Cross multiply
    18,676,496.16x = 28,020,158.82 × 7,744,655.97
  4. Step 4: Simplify right side
    18,676,496.16x = 217,006,490,285,661.16
  5. Step 5: Solve for x
    x = 217,006,490,285,661.16/18,676,496.16
  6. Step 6: Final answer
    x = 11,619,229.24

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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.