Home / 7,139,802.28-9,853,098.39-3,876,754.54

Finding the Fourth Proportional to 7,139,802.28, 9,853,098.39 and 3,876,754.54

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Solution

The fourth proportional to 7,139,802.28, 9,853,098.39 and 3,876,754.54 is: 5,350,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,802.28 : 9,853,098.39 = 3,876,754.54 : x
  2. Step 2: Convert to fraction form
    7,139,802.28/9,853,098.39 = 3,876,754.54/x
  3. Step 3: Cross multiply
    7,139,802.28x = 9,853,098.39 × 3,876,754.54
  4. Step 4: Simplify right side
    7,139,802.28x = 38,198,043,867,233.70
  5. Step 5: Solve for x
    x = 38,198,043,867,233.70/7,139,802.28
  6. Step 6: Final answer
    x = 5,350,014.24

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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.