Home / 7,295,371.78-10,062,391.78-5,120,400.28

Finding the Fourth Proportional to 7,295,371.78, 10,062,391.78 and 5,120,400.28

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Solution

The fourth proportional to 7,295,371.78, 10,062,391.78 and 5,120,400.28 is: 7,062,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295,371.78 : 10,062,391.78 = 5,120,400.28 : x
  2. Step 2: Convert to fraction form
    7,295,371.78/10,062,391.78 = 5,120,400.28/x
  3. Step 3: Cross multiply
    7,295,371.78x = 10,062,391.78 × 5,120,400.28
  4. Step 4: Simplify right side
    7,295,371.78x = 51,523,473,687,781.70
  5. Step 5: Solve for x
    x = 51,523,473,687,781.70/7,295,371.78
  6. Step 6: Final answer
    x = 7,062,487.73

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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.