Home / 7,250,426.87-10,005,845.85-3,987,494.15

Finding the Fourth Proportional to 7,250,426.87, 10,005,845.85 and 3,987,494.15

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Solution

The fourth proportional to 7,250,426.87, 10,005,845.85 and 3,987,494.15 is: 5,502,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,426.87 : 10,005,845.85 = 3,987,494.15 : x
  2. Step 2: Convert to fraction form
    7,250,426.87/10,005,845.85 = 3,987,494.15/x
  3. Step 3: Cross multiply
    7,250,426.87x = 10,005,845.85 × 3,987,494.15
  4. Step 4: Simplify right side
    7,250,426.87x = 39,898,251,772,739.30
  5. Step 5: Solve for x
    x = 39,898,251,772,739.30/7,250,426.87
  6. Step 6: Final answer
    x = 5,502,883.14

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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.