Home / 15,283,760.43-21,091,726.44-8,314,589.82

Finding the Fourth Proportional to 15,283,760.43, 21,091,726.44 and 8,314,589.82

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Solution

The fourth proportional to 15,283,760.43, 21,091,726.44 and 8,314,589.82 is: 11,474,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283,760.43 : 21,091,726.44 = 8,314,589.82 : x
  2. Step 2: Convert to fraction form
    15,283,760.43/21,091,726.44 = 8,314,589.82/x
  3. Step 3: Cross multiply
    15,283,760.43x = 21,091,726.44 × 8,314,589.82
  4. Step 4: Simplify right side
    15,283,760.43x = 175,369,053,944,248.84
  5. Step 5: Solve for x
    x = 175,369,053,944,248.84/15,283,760.43
  6. Step 6: Final answer
    x = 11,474,208.51

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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.