Home / 15,172,357.52-20,937,844.31-8,296,839.59

Finding the Fourth Proportional to 15,172,357.52, 20,937,844.31 and 8,296,839.59

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Solution

The fourth proportional to 15,172,357.52, 20,937,844.31 and 8,296,839.59 is: 11,449,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,357.52 : 20,937,844.31 = 8,296,839.59 : x
  2. Step 2: Convert to fraction form
    15,172,357.52/20,937,844.31 = 8,296,839.59/x
  3. Step 3: Cross multiply
    15,172,357.52x = 20,937,844.31 × 8,296,839.59
  4. Step 4: Simplify right side
    15,172,357.52x = 173,717,935,454,290.81
  5. Step 5: Solve for x
    x = 173,717,935,454,290.81/15,172,357.52
  6. Step 6: Final answer
    x = 11,449,633.66

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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.