Home / 12,595,689.20-18,865,540.20-9,746,562.80

Finding the Fourth Proportional to 12,595,689.20, 18,865,540.20 and 9,746,562.80

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Solution

The fourth proportional to 12,595,689.20, 18,865,540.20 and 9,746,562.80 is: 14,598,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595,689.20 : 18,865,540.20 = 9,746,562.80 : x
  2. Step 2: Convert to fraction form
    12,595,689.20/18,865,540.20 = 9,746,562.80/x
  3. Step 3: Cross multiply
    12,595,689.20x = 18,865,540.20 × 9,746,562.80
  4. Step 4: Simplify right side
    12,595,689.20x = 183,874,172,315,224.56
  5. Step 5: Solve for x
    x = 183,874,172,315,224.56/12,595,689.20
  6. Step 6: Final answer
    x = 14,598,182.71

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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.