Home / 10,881,309.89-15,016,207.14-5,986,426.91

Finding the Fourth Proportional to 10,881,309.89, 15,016,207.14 and 5,986,426.91

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Solution

The fourth proportional to 10,881,309.89, 15,016,207.14 and 5,986,426.91 is: 8,261,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,309.89 : 15,016,207.14 = 5,986,426.91 : x
  2. Step 2: Convert to fraction form
    10,881,309.89/15,016,207.14 = 5,986,426.91/x
  3. Step 3: Cross multiply
    10,881,309.89x = 15,016,207.14 × 5,986,426.91
  4. Step 4: Simplify right side
    10,881,309.89x = 89,893,426,433,949.11
  5. Step 5: Solve for x
    x = 89,893,426,433,949.11/10,881,309.89
  6. Step 6: Final answer
    x = 8,261,268.85

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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.