Home / 10,226,919.87-15,302,489.22-8,199,028.98

Finding the Fourth Proportional to 10,226,919.87, 15,302,489.22 and 8,199,028.98

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Solution

The fourth proportional to 10,226,919.87, 15,302,489.22 and 8,199,028.98 is: 12,268,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226,919.87 : 15,302,489.22 = 8,199,028.98 : x
  2. Step 2: Convert to fraction form
    10,226,919.87/15,302,489.22 = 8,199,028.98/x
  3. Step 3: Cross multiply
    10,226,919.87x = 15,302,489.22 × 8,199,028.98
  4. Step 4: Simplify right side
    10,226,919.87x = 125,465,552,580,917.61
  5. Step 5: Solve for x
    x = 125,465,552,580,917.61/10,226,919.87
  6. Step 6: Final answer
    x = 12,268,166.19

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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.