Home / 8,561,515.65-12,842,507.22-2,496,100.78

Finding the Fourth Proportional to 8,561,515.65, 12,842,507.22 and 2,496,100.78

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Solution

The fourth proportional to 8,561,515.65, 12,842,507.22 and 2,496,100.78 is: 3,744,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,515.65 : 12,842,507.22 = 2,496,100.78 : x
  2. Step 2: Convert to fraction form
    8,561,515.65/12,842,507.22 = 2,496,100.78/x
  3. Step 3: Cross multiply
    8,561,515.65x = 12,842,507.22 × 2,496,100.78
  4. Step 4: Simplify right side
    8,561,515.65x = 32,056,192,288,997.63
  5. Step 5: Solve for x
    x = 32,056,192,288,997.63/8,561,515.65
  6. Step 6: Final answer
    x = 3,744,219.32

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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.