Home / 20,865,776.20-31,298,290.68-8,567,068.96

Finding the Fourth Proportional to 20,865,776.20, 31,298,290.68 and 8,567,068.96

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Solution

The fourth proportional to 20,865,776.20, 31,298,290.68 and 8,567,068.96 is: 12,850,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,865,776.20 : 31,298,290.68 = 8,567,068.96 : x
  2. Step 2: Convert to fraction form
    20,865,776.20/31,298,290.68 = 8,567,068.96/x
  3. Step 3: Cross multiply
    20,865,776.20x = 31,298,290.68 × 8,567,068.96
  4. Step 4: Simplify right side
    20,865,776.20x = 268,134,614,585,685.31
  5. Step 5: Solve for x
    x = 268,134,614,585,685.31/20,865,776.20
  6. Step 6: Final answer
    x = 12,850,450.04

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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.