Home / 21,985,049.85-30,339,537.44-12,061,867.83

Finding the Fourth Proportional to 21,985,049.85, 30,339,537.44 and 12,061,867.83

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Solution

The fourth proportional to 21,985,049.85, 30,339,537.44 and 12,061,867.83 is: 16,645,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,049.85 : 30,339,537.44 = 12,061,867.83 : x
  2. Step 2: Convert to fraction form
    21,985,049.85/30,339,537.44 = 12,061,867.83/x
  3. Step 3: Cross multiply
    21,985,049.85x = 30,339,537.44 × 12,061,867.83
  4. Step 4: Simplify right side
    21,985,049.85x = 365,951,490,564,307.19
  5. Step 5: Solve for x
    x = 365,951,490,564,307.19/21,985,049.85
  6. Step 6: Final answer
    x = 16,645,470.13

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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.