Home / 15,813,489.89-23,715,581.60-7,172,591.33

Finding the Fourth Proportional to 15,813,489.89, 23,715,581.60 and 7,172,591.33

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Solution

The fourth proportional to 15,813,489.89, 23,715,581.60 and 7,172,591.33 is: 10,756,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813,489.89 : 23,715,581.60 = 7,172,591.33 : x
  2. Step 2: Convert to fraction form
    15,813,489.89/23,715,581.60 = 7,172,591.33/x
  3. Step 3: Cross multiply
    15,813,489.89x = 23,715,581.60 × 7,172,591.33
  4. Step 4: Simplify right side
    15,813,489.89x = 170,102,174,970,067.53
  5. Step 5: Solve for x
    x = 170,102,174,970,067.53/15,813,489.89
  6. Step 6: Final answer
    x = 10,756,776.41

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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.