Home / 31,062,116.08-42,865,863.92-18,017,098.48

Finding the Fourth Proportional to 31,062,116.08, 42,865,863.92 and 18,017,098.48

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Solution

The fourth proportional to 31,062,116.08, 42,865,863.92 and 18,017,098.48 is: 24,863,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,062,116.08 : 42,865,863.92 = 18,017,098.48 : x
  2. Step 2: Convert to fraction form
    31,062,116.08/42,865,863.92 = 18,017,098.48/x
  3. Step 3: Cross multiply
    31,062,116.08x = 42,865,863.92 × 18,017,098.48
  4. Step 4: Simplify right side
    31,062,116.08x = 772,318,491,676,918.88
  5. Step 5: Solve for x
    x = 772,318,491,676,918.88/31,062,116.08
  6. Step 6: Final answer
    x = 24,863,679.27

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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.