Home / 8,187,175.20-12,257,143.20-7,336,869.60

Finding the Fourth Proportional to 8,187,175.20, 12,257,143.20 and 7,336,869.60

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Solution

The fourth proportional to 8,187,175.20, 12,257,143.20 and 7,336,869.60 is: 10,984,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,175.20 : 12,257,143.20 = 7,336,869.60 : x
  2. Step 2: Convert to fraction form
    8,187,175.20/12,257,143.20 = 7,336,869.60/x
  3. Step 3: Cross multiply
    8,187,175.20x = 12,257,143.20 × 7,336,869.60
  4. Step 4: Simplify right side
    8,187,175.20x = 89,929,061,326,926.70
  5. Step 5: Solve for x
    x = 89,929,061,326,926.70/8,187,175.20
  6. Step 6: Final answer
    x = 10,984,137.89

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1.5x scale

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.