Home / 7,679,744.33-11,520,426.15-2,560,389.80

Finding the Fourth Proportional to 7,679,744.33, 11,520,426.15 and 2,560,389.80

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Solution

The fourth proportional to 7,679,744.33, 11,520,426.15 and 2,560,389.80 is: 3,840,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,744.33 : 11,520,426.15 = 2,560,389.80 : x
  2. Step 2: Convert to fraction form
    7,679,744.33/11,520,426.15 = 2,560,389.80/x
  3. Step 3: Cross multiply
    7,679,744.33x = 11,520,426.15 × 2,560,389.80
  4. Step 4: Simplify right side
    7,679,744.33x = 29,496,781,548,511.14
  5. Step 5: Solve for x
    x = 29,496,781,548,511.14/7,679,744.33
  6. Step 6: Final answer
    x = 3,840,854.63

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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.