Home / 11,853,142.38-17,782,781.49-3,655,603.53

Finding the Fourth Proportional to 11,853,142.38, 17,782,781.49 and 3,655,603.53

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Solution

The fourth proportional to 11,853,142.38, 17,782,781.49 and 3,655,603.53 is: 5,484,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853,142.38 : 17,782,781.49 = 3,655,603.53 : x
  2. Step 2: Convert to fraction form
    11,853,142.38/17,782,781.49 = 3,655,603.53/x
  3. Step 3: Cross multiply
    11,853,142.38x = 17,782,781.49 × 3,655,603.53
  4. Step 4: Simplify right side
    11,853,142.38x = 65,006,798,788,062.65
  5. Step 5: Solve for x
    x = 65,006,798,788,062.65/11,853,142.38
  6. Step 6: Final answer
    x = 5,484,351.47

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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.