Home / 8,497,719.20-12,746,578.80-7,825,872.80

Finding the Fourth Proportional to 8,497,719.20, 12,746,578.80 and 7,825,872.80

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Solution

The fourth proportional to 8,497,719.20, 12,746,578.80 and 7,825,872.80 is: 11,738,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497,719.20 : 12,746,578.80 = 7,825,872.80 : x
  2. Step 2: Convert to fraction form
    8,497,719.20/12,746,578.80 = 7,825,872.80/x
  3. Step 3: Cross multiply
    8,497,719.20x = 12,746,578.80 × 7,825,872.80
  4. Step 4: Simplify right side
    8,497,719.20x = 99,753,104,323,976.64
  5. Step 5: Solve for x
    x = 99,753,104,323,976.64/8,497,719.20
  6. Step 6: Final answer
    x = 11,738,809.20

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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.