Home / 12,105,902.46-16,705,541.25-6,878,219.97

Finding the Fourth Proportional to 12,105,902.46, 16,705,541.25 and 6,878,219.97

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Solution

The fourth proportional to 12,105,902.46, 16,705,541.25 and 6,878,219.97 is: 9,491,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,902.46 : 16,705,541.25 = 6,878,219.97 : x
  2. Step 2: Convert to fraction form
    12,105,902.46/16,705,541.25 = 6,878,219.97/x
  3. Step 3: Cross multiply
    12,105,902.46x = 16,705,541.25 × 6,878,219.97
  4. Step 4: Simplify right side
    12,105,902.46x = 114,904,387,435,408.77
  5. Step 5: Solve for x
    x = 114,904,387,435,408.77/12,105,902.46
  6. Step 6: Final answer
    x = 9,491,600.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.