Home / 7,250,542.90-10,005,520.17-3,987,347.54

Finding the Fourth Proportional to 7,250,542.90, 10,005,520.17 and 3,987,347.54

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Solution

The fourth proportional to 7,250,542.90, 10,005,520.17 and 3,987,347.54 is: 5,502,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,542.90 : 10,005,520.17 = 3,987,347.54 : x
  2. Step 2: Convert to fraction form
    7,250,542.90/10,005,520.17 = 3,987,347.54/x
  3. Step 3: Cross multiply
    7,250,542.90x = 10,005,520.17 × 3,987,347.54
  4. Step 4: Simplify right side
    7,250,542.90x = 39,895,486,211,256.08
  5. Step 5: Solve for x
    x = 39,895,486,211,256.08/7,250,542.90
  6. Step 6: Final answer
    x = 5,502,413.65

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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.