Home / 12,062,156.72-16,645,905.16-6,555,531.30

Finding the Fourth Proportional to 12,062,156.72, 16,645,905.16 and 6,555,531.30

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Solution

The fourth proportional to 12,062,156.72, 16,645,905.16 and 6,555,531.30 is: 9,046,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062,156.72 : 16,645,905.16 = 6,555,531.30 : x
  2. Step 2: Convert to fraction form
    12,062,156.72/16,645,905.16 = 6,555,531.30/x
  3. Step 3: Cross multiply
    12,062,156.72x = 16,645,905.16 × 6,555,531.30
  4. Step 4: Simplify right side
    12,062,156.72x = 109,122,752,293,211.50
  5. Step 5: Solve for x
    x = 109,122,752,293,211.50/12,062,156.72
  6. Step 6: Final answer
    x = 9,046,703.24

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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.