Home / 8,218,615.20-12,327,922.80-3,730,891.20

Finding the Fourth Proportional to 8,218,615.20, 12,327,922.80 and 3,730,891.20

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Solution

The fourth proportional to 8,218,615.20, 12,327,922.80 and 3,730,891.20 is: 5,596,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218,615.20 : 12,327,922.80 = 3,730,891.20 : x
  2. Step 2: Convert to fraction form
    8,218,615.20/12,327,922.80 = 3,730,891.20/x
  3. Step 3: Cross multiply
    8,218,615.20x = 12,327,922.80 × 3,730,891.20
  4. Step 4: Simplify right side
    8,218,615.20x = 45,994,138,688,799.37
  5. Step 5: Solve for x
    x = 45,994,138,688,799.37/8,218,615.20
  6. Step 6: Final answer
    x = 5,596,336.80

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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.