Home / 10,881,030.38-15,015,821.65-5,986,147.19

Finding the Fourth Proportional to 10,881,030.38, 15,015,821.65 and 5,986,147.19

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Solution

The fourth proportional to 10,881,030.38, 15,015,821.65 and 5,986,147.19 is: 8,260,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,030.38 : 15,015,821.65 = 5,986,147.19 : x
  2. Step 2: Convert to fraction form
    10,881,030.38/15,015,821.65 = 5,986,147.19/x
  3. Step 3: Cross multiply
    10,881,030.38x = 15,015,821.65 × 5,986,147.19
  4. Step 4: Simplify right side
    10,881,030.38x = 89,886,918,485,644.19
  5. Step 5: Solve for x
    x = 89,886,918,485,644.19/10,881,030.38
  6. Step 6: Final answer
    x = 8,260,882.97

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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.