Home / 8,139,645.30-12,211,217.55-2,460,443.70

Finding the Fourth Proportional to 8,139,645.30, 12,211,217.55 and 2,460,443.70

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Solution

The fourth proportional to 8,139,645.30, 12,211,217.55 and 2,460,443.70 is: 3,691,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,645.30 : 12,211,217.55 = 2,460,443.70 : x
  2. Step 2: Convert to fraction form
    8,139,645.30/12,211,217.55 = 2,460,443.70/x
  3. Step 3: Cross multiply
    8,139,645.30x = 12,211,217.55 × 2,460,443.70
  4. Step 4: Simplify right side
    8,139,645.30x = 30,045,013,290,226.94
  5. Step 5: Solve for x
    x = 30,045,013,290,226.94/8,139,645.30
  6. Step 6: Final answer
    x = 3,691,194.42

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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.