Home / 12,061,689.13-16,645,258.53-6,555,063.85

Finding the Fourth Proportional to 12,061,689.13, 16,645,258.53 and 6,555,063.85

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Solution

The fourth proportional to 12,061,689.13, 16,645,258.53 and 6,555,063.85 is: 9,046,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,689.13 : 16,645,258.53 = 6,555,063.85 : x
  2. Step 2: Convert to fraction form
    12,061,689.13/16,645,258.53 = 6,555,063.85/x
  3. Step 3: Cross multiply
    12,061,689.13x = 16,645,258.53 × 6,555,063.85
  4. Step 4: Simplify right side
    12,061,689.13x = 109,110,732,347,905.53
  5. Step 5: Solve for x
    x = 109,110,732,347,905.53/12,061,689.13
  6. Step 6: Final answer
    x = 9,046,057.42

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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.