Home / 10,878,109-16,315,390.05-3,199,958.17

Finding the Fourth Proportional to 10,878,109, 16,315,390.05 and 3,199,958.17

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Solution

The fourth proportional to 10,878,109, 16,315,390.05 and 3,199,958.17 is: 4,799,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,109 : 16,315,390.05 = 3,199,958.17 : x
  2. Step 2: Convert to fraction form
    10,878,109/16,315,390.05 = 3,199,958.17/x
  3. Step 3: Cross multiply
    10,878,109x = 16,315,390.05 × 3,199,958.17
  4. Step 4: Simplify right side
    10,878,109x = 52,208,565,687,234.21
  5. Step 5: Solve for x
    x = 52,208,565,687,234.21/10,878,109
  6. Step 6: Final answer
    x = 4,799,415.57

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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.