Home / 5,375,022.71-7,419,152.25-3,657,139.70

Finding the Fourth Proportional to 5,375,022.71, 7,419,152.25 and 3,657,139.70

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Solution

The fourth proportional to 5,375,022.71, 7,419,152.25 and 3,657,139.70 is: 5,047,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375,022.71 : 7,419,152.25 = 3,657,139.70 : x
  2. Step 2: Convert to fraction form
    5,375,022.71/7,419,152.25 = 3,657,139.70/x
  3. Step 3: Cross multiply
    5,375,022.71x = 7,419,152.25 × 3,657,139.70
  4. Step 4: Simplify right side
    5,375,022.71x = 27,132,876,196,723.56
  5. Step 5: Solve for x
    x = 27,132,876,196,723.56/5,375,022.71
  6. Step 6: Final answer
    x = 5,047,955.64

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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.