Home / 12,248,049.60-18,379,072.80-4,680,446.40

Finding the Fourth Proportional to 12,248,049.60, 18,379,072.80 and 4,680,446.40

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Solution

The fourth proportional to 12,248,049.60, 18,379,072.80 and 4,680,446.40 is: 7,023,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,049.60 : 18,379,072.80 = 4,680,446.40 : x
  2. Step 2: Convert to fraction form
    12,248,049.60/18,379,072.80 = 4,680,446.40/x
  3. Step 3: Cross multiply
    12,248,049.60x = 18,379,072.80 × 4,680,446.40
  4. Step 4: Simplify right side
    12,248,049.60x = 86,022,265,122,097.94
  5. Step 5: Solve for x
    x = 86,022,265,122,097.94/12,248,049.60
  6. Step 6: Final answer
    x = 7,023,343.96

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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.