Home / 8,479,041.45-12,661,129.27-6,730,291.73

Finding the Fourth Proportional to 8,479,041.45, 12,661,129.27 and 6,730,291.73

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Solution

The fourth proportional to 8,479,041.45, 12,661,129.27 and 6,730,291.73 is: 10,049,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479,041.45 : 12,661,129.27 = 6,730,291.73 : x
  2. Step 2: Convert to fraction form
    8,479,041.45/12,661,129.27 = 6,730,291.73/x
  3. Step 3: Cross multiply
    8,479,041.45x = 12,661,129.27 × 6,730,291.73
  4. Step 4: Simplify right side
    8,479,041.45x = 85,213,093,633,169.03
  5. Step 5: Solve for x
    x = 85,213,093,633,169.03/8,479,041.45
  6. Step 6: Final answer
    x = 10,049,849.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.