Home / 10,878,101.62-16,315,379.00-3,199,950.78

Finding the Fourth Proportional to 10,878,101.62, 16,315,379.00 and 3,199,950.78

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Solution

The fourth proportional to 10,878,101.62, 16,315,379.00 and 3,199,950.78 is: 4,799,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,101.62 : 16,315,379.00 = 3,199,950.78 : x
  2. Step 2: Convert to fraction form
    10,878,101.62/16,315,379.00 = 3,199,950.78/x
  3. Step 3: Cross multiply
    10,878,101.62x = 16,315,379.00 × 3,199,950.78
  4. Step 4: Simplify right side
    10,878,101.62x = 52,208,409,691,863.01
  5. Step 5: Solve for x
    x = 52,208,409,691,863.01/10,878,101.62
  6. Step 6: Final answer
    x = 4,799,404.49

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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.