Home / 9,979,561.29-13,770,966.69-5,629,716.57

Finding the Fourth Proportional to 9,979,561.29, 13,770,966.69 and 5,629,716.57

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Solution

The fourth proportional to 9,979,561.29, 13,770,966.69 and 5,629,716.57 is: 7,768,541.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,561.29 : 13,770,966.69 = 5,629,716.57 : x
  2. Step 2: Convert to fraction form
    9,979,561.29/13,770,966.69 = 5,629,716.57/x
  3. Step 3: Cross multiply
    9,979,561.29x = 13,770,966.69 × 5,629,716.57
  4. Step 4: Simplify right side
    9,979,561.29x = 77,526,639,359,611.05
  5. Step 5: Solve for x
    x = 77,526,639,359,611.05/9,979,561.29
  6. Step 6: Final answer
    x = 7,768,541.83

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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.