Home / 7,387,170.94-10,197,016.30-4,447,124.78

Finding the Fourth Proportional to 7,387,170.94, 10,197,016.30 and 4,447,124.78

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Solution

The fourth proportional to 7,387,170.94, 10,197,016.30 and 4,447,124.78 is: 6,138,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387,170.94 : 10,197,016.30 = 4,447,124.78 : x
  2. Step 2: Convert to fraction form
    7,387,170.94/10,197,016.30 = 4,447,124.78/x
  3. Step 3: Cross multiply
    7,387,170.94x = 10,197,016.30 × 4,447,124.78
  4. Step 4: Simplify right side
    7,387,170.94x = 45,347,403,869,793.92
  5. Step 5: Solve for x
    x = 45,347,403,869,793.92/7,387,170.94
  6. Step 6: Final answer
    x = 6,138,669.90

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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.