Home / 10,428,433.66-14,391,020.55-5,718,761.02

Finding the Fourth Proportional to 10,428,433.66, 14,391,020.55 and 5,718,761.02

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Solution

The fourth proportional to 10,428,433.66, 14,391,020.55 and 5,718,761.02 is: 7,891,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,433.66 : 14,391,020.55 = 5,718,761.02 : x
  2. Step 2: Convert to fraction form
    10,428,433.66/14,391,020.55 = 5,718,761.02/x
  3. Step 3: Cross multiply
    10,428,433.66x = 14,391,020.55 × 5,718,761.02
  4. Step 4: Simplify right side
    10,428,433.66x = 82,298,807,359,358.95
  5. Step 5: Solve for x
    x = 82,298,807,359,358.95/10,428,433.66
  6. Step 6: Final answer
    x = 7,891,770.71

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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.