Home / 8,451,997.28-12,678,526.25-2,387,203.88

Finding the Fourth Proportional to 8,451,997.28, 12,678,526.25 and 2,387,203.88

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Solution

The fourth proportional to 8,451,997.28, 12,678,526.25 and 2,387,203.88 is: 3,580,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451,997.28 : 12,678,526.25 = 2,387,203.88 : x
  2. Step 2: Convert to fraction form
    8,451,997.28/12,678,526.25 = 2,387,203.88/x
  3. Step 3: Cross multiply
    8,451,997.28x = 12,678,526.25 × 2,387,203.88
  4. Step 4: Simplify right side
    8,451,997.28x = 30,266,227,044,745.83
  5. Step 5: Solve for x
    x = 30,266,227,044,745.83/8,451,997.28
  6. Step 6: Final answer
    x = 3,580,955.61

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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.