Home / 27,776,149.05-38,344,377.12-18,499,157.49

Finding the Fourth Proportional to 27,776,149.05, 38,344,377.12 and 18,499,157.49

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Solution

The fourth proportional to 27,776,149.05, 38,344,377.12 and 18,499,157.49 is: 25,537,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776,149.05 : 38,344,377.12 = 18,499,157.49 : x
  2. Step 2: Convert to fraction form
    27,776,149.05/38,344,377.12 = 18,499,157.49/x
  3. Step 3: Cross multiply
    27,776,149.05x = 38,344,377.12 × 18,499,157.49
  4. Step 4: Simplify right side
    27,776,149.05x = 709,338,671,198,832.50
  5. Step 5: Solve for x
    x = 709,338,671,198,832.50/27,776,149.05
  6. Step 6: Final answer
    x = 25,537,689.55

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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.