Home / 12,298,257.28-18,458,581.20-6,545,820.88

Finding the Fourth Proportional to 12,298,257.28, 18,458,581.20 and 6,545,820.88

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Solution

The fourth proportional to 12,298,257.28, 18,458,581.20 and 6,545,820.88 is: 9,824,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,257.28 : 18,458,581.20 = 6,545,820.88 : x
  2. Step 2: Convert to fraction form
    12,298,257.28/18,458,581.20 = 6,545,820.88/x
  3. Step 3: Cross multiply
    12,298,257.28x = 18,458,581.20 × 6,545,820.88
  4. Step 4: Simplify right side
    12,298,257.28x = 120,826,566,234,135.45
  5. Step 5: Solve for x
    x = 120,826,566,234,135.45/12,298,257.28
  6. Step 6: Final answer
    x = 9,824,690.07

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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.