Home / 6,917,689.31-10,382,830.78-3,681,943.53

Finding the Fourth Proportional to 6,917,689.31, 10,382,830.78 and 3,681,943.53

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Solution

The fourth proportional to 6,917,689.31, 10,382,830.78 and 3,681,943.53 is: 5,526,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917,689.31 : 10,382,830.78 = 3,681,943.53 : x
  2. Step 2: Convert to fraction form
    6,917,689.31/10,382,830.78 = 3,681,943.53/x
  3. Step 3: Cross multiply
    6,917,689.31x = 10,382,830.78 × 3,681,943.53
  4. Step 4: Simplify right side
    6,917,689.31x = 38,228,996,613,505.85
  5. Step 5: Solve for x
    x = 38,228,996,613,505.85/6,917,689.31
  6. Step 6: Final answer
    x = 5,526,266.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.