Home / 31,171,726.08-43,016,175.36-17,420,803.20

Finding the Fourth Proportional to 31,171,726.08, 43,016,175.36 and 17,420,803.20

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Solution

The fourth proportional to 31,171,726.08, 43,016,175.36 and 17,420,803.20 is: 24,040,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171,726.08 : 43,016,175.36 = 17,420,803.20 : x
  2. Step 2: Convert to fraction form
    31,171,726.08/43,016,175.36 = 17,420,803.20/x
  3. Step 3: Cross multiply
    31,171,726.08x = 43,016,175.36 × 17,420,803.20
  4. Step 4: Simplify right side
    31,171,726.08x = 749,376,325,363,249.12
  5. Step 5: Solve for x
    x = 749,376,325,363,249.12/31,171,726.08
  6. Step 6: Final answer
    x = 24,040,257.62

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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.