Home / 12,292,310.20-18,413,582.10-8,510,063.80

Finding the Fourth Proportional to 12,292,310.20, 18,413,582.10 and 8,510,063.80

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Solution

The fourth proportional to 12,292,310.20, 18,413,582.10 and 8,510,063.80 is: 12,747,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,310.20 : 18,413,582.10 = 8,510,063.80 : x
  2. Step 2: Convert to fraction form
    12,292,310.20/18,413,582.10 = 8,510,063.80/x
  3. Step 3: Cross multiply
    12,292,310.20x = 18,413,582.10 × 8,510,063.80
  4. Step 4: Simplify right side
    12,292,310.20x = 156,700,758,457,538
  5. Step 5: Solve for x
    x = 156,700,758,457,538/12,292,310.20
  6. Step 6: Final answer
    x = 12,747,868.86

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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.