Home / 15,818,067.12-23,718,661.14-7,500,129.78

Finding the Fourth Proportional to 15,818,067.12, 23,718,661.14 and 7,500,129.78

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Solution

The fourth proportional to 15,818,067.12, 23,718,661.14 and 7,500,129.78 is: 11,246,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818,067.12 : 23,718,661.14 = 7,500,129.78 : x
  2. Step 2: Convert to fraction form
    15,818,067.12/23,718,661.14 = 7,500,129.78/x
  3. Step 3: Cross multiply
    15,818,067.12x = 23,718,661.14 × 7,500,129.78
  4. Step 4: Simplify right side
    15,818,067.12x = 177,893,036,757,842.75
  5. Step 5: Solve for x
    x = 177,893,036,757,842.75/15,818,067.12
  6. Step 6: Final answer
    x = 11,246,193.07

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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.