Home / 9,561,691.69-13,194,799.38-5,210,689.21

Finding the Fourth Proportional to 9,561,691.69, 13,194,799.38 and 5,210,689.21

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Solution

The fourth proportional to 9,561,691.69, 13,194,799.38 and 5,210,689.21 is: 7,190,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561,691.69 : 13,194,799.38 = 5,210,689.21 : x
  2. Step 2: Convert to fraction form
    9,561,691.69/13,194,799.38 = 5,210,689.21/x
  3. Step 3: Cross multiply
    9,561,691.69x = 13,194,799.38 × 5,210,689.21
  4. Step 4: Simplify right side
    9,561,691.69x = 68,753,998,757,480.70
  5. Step 5: Solve for x
    x = 68,753,998,757,480.70/9,561,691.69
  6. Step 6: Final answer
    x = 7,190,568.47

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1.5x scale

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.