Home / 7,250,640.52-10,005,684.21-3,987,454.90

Finding the Fourth Proportional to 7,250,640.52, 10,005,684.21 and 3,987,454.90

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Solution

The fourth proportional to 7,250,640.52, 10,005,684.21 and 3,987,454.90 is: 5,502,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,640.52 : 10,005,684.21 = 3,987,454.90 : x
  2. Step 2: Convert to fraction form
    7,250,640.52/10,005,684.21 = 3,987,454.90/x
  3. Step 3: Cross multiply
    7,250,640.52x = 10,005,684.21 × 3,987,454.90
  4. Step 4: Simplify right side
    7,250,640.52x = 39,897,214,531,017.13
  5. Step 5: Solve for x
    x = 39,897,214,531,017.13/7,250,640.52
  6. Step 6: Final answer
    x = 5,502,577.93

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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.