Home / 8,128,388.80-12,192,583.20-4,097,310.40

Finding the Fourth Proportional to 8,128,388.80, 12,192,583.20 and 4,097,310.40

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Solution

The fourth proportional to 8,128,388.80, 12,192,583.20 and 4,097,310.40 is: 6,145,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128,388.80 : 12,192,583.20 = 4,097,310.40 : x
  2. Step 2: Convert to fraction form
    8,128,388.80/12,192,583.20 = 4,097,310.40/x
  3. Step 3: Cross multiply
    8,128,388.80x = 12,192,583.20 × 4,097,310.40
  4. Step 4: Simplify right side
    8,128,388.80x = 49,956,797,948,225.27
  5. Step 5: Solve for x
    x = 49,956,797,948,225.27/8,128,388.80
  6. Step 6: Final answer
    x = 6,145,965.60

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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.