Home / 12,061,092.30-18,091,638.45-8,659,869.90

Finding the Fourth Proportional to 12,061,092.30, 18,091,638.45 and 8,659,869.90

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Solution

The fourth proportional to 12,061,092.30, 18,091,638.45 and 8,659,869.90 is: 12,989,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,092.30 : 18,091,638.45 = 8,659,869.90 : x
  2. Step 2: Convert to fraction form
    12,061,092.30/18,091,638.45 = 8,659,869.90/x
  3. Step 3: Cross multiply
    12,061,092.30x = 18,091,638.45 × 8,659,869.90
  4. Step 4: Simplify right side
    12,061,092.30x = 156,671,235,254,837.66
  5. Step 5: Solve for x
    x = 156,671,235,254,837.66/12,061,092.30
  6. Step 6: Final answer
    x = 12,989,804.85

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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.