Home / 19,360,049.40-29,040,074.10-12,193,687.80

Finding the Fourth Proportional to 19,360,049.40, 29,040,074.10 and 12,193,687.80

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Solution

The fourth proportional to 19,360,049.40, 29,040,074.10 and 12,193,687.80 is: 18,290,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,049.40 : 29,040,074.10 = 12,193,687.80 : x
  2. Step 2: Convert to fraction form
    19,360,049.40/29,040,074.10 = 12,193,687.80/x
  3. Step 3: Cross multiply
    19,360,049.40x = 29,040,074.10 × 12,193,687.80
  4. Step 4: Simplify right side
    19,360,049.40x = 354,105,597,264,266
  5. Step 5: Solve for x
    x = 354,105,597,264,266/19,360,049.40
  6. Step 6: Final answer
    x = 18,290,531.70

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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.