Home / 8,620,770.87-12,916,523.10-5,201,873.88

Finding the Fourth Proportional to 8,620,770.87, 12,916,523.10 and 5,201,873.88

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Solution

The fourth proportional to 8,620,770.87, 12,916,523.10 and 5,201,873.88 is: 7,793,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,770.87 : 12,916,523.10 = 5,201,873.88 : x
  2. Step 2: Convert to fraction form
    8,620,770.87/12,916,523.10 = 5,201,873.88/x
  3. Step 3: Cross multiply
    8,620,770.87x = 12,916,523.10 × 5,201,873.88
  4. Step 4: Simplify right side
    8,620,770.87x = 67,190,124,134,306.62
  5. Step 5: Solve for x
    x = 67,190,124,134,306.62/8,620,770.87
  6. Step 6: Final answer
    x = 7,793,980.97

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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.