Home / 18,386,191.92-25,371,067.21-11,320,663.17

Finding the Fourth Proportional to 18,386,191.92, 25,371,067.21 and 11,320,663.17

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Solution

The fourth proportional to 18,386,191.92, 25,371,067.21 and 11,320,663.17 is: 15,621,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,191.92 : 25,371,067.21 = 11,320,663.17 : x
  2. Step 2: Convert to fraction form
    18,386,191.92/25,371,067.21 = 11,320,663.17/x
  3. Step 3: Cross multiply
    18,386,191.92x = 25,371,067.21 × 11,320,663.17
  4. Step 4: Simplify right side
    18,386,191.92x = 287,217,306,147,841.69
  5. Step 5: Solve for x
    x = 287,217,306,147,841.69/18,386,191.92
  6. Step 6: Final answer
    x = 15,621,359.08

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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.