Home / 8,391,660.68-12,589,334.58-4,983,060.80

Finding the Fourth Proportional to 8,391,660.68, 12,589,334.58 and 4,983,060.80

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Solution

The fourth proportional to 8,391,660.68, 12,589,334.58 and 4,983,060.80 is: 7,475,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,660.68 : 12,589,334.58 = 4,983,060.80 : x
  2. Step 2: Convert to fraction form
    8,391,660.68/12,589,334.58 = 4,983,060.80/x
  3. Step 3: Cross multiply
    8,391,660.68x = 12,589,334.58 × 4,983,060.80
  4. Step 4: Simplify right side
    8,391,660.68x = 62,733,419,643,682.46
  5. Step 5: Solve for x
    x = 62,733,419,643,682.46/8,391,660.68
  6. Step 6: Final answer
    x = 7,475,685.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.