Home / 8,268,556.70-12,379,215.45-7,418,251.10

Finding the Fourth Proportional to 8,268,556.70, 12,379,215.45 and 7,418,251.10

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Solution

The fourth proportional to 8,268,556.70, 12,379,215.45 and 7,418,251.10 is: 11,106,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268,556.70 : 12,379,215.45 = 7,418,251.10 : x
  2. Step 2: Convert to fraction form
    8,268,556.70/12,379,215.45 = 7,418,251.10/x
  3. Step 3: Cross multiply
    8,268,556.70x = 12,379,215.45 × 7,418,251.10
  4. Step 4: Simplify right side
    8,268,556.70x = 91,832,128,629,099.48
  5. Step 5: Solve for x
    x = 91,832,128,629,099.48/8,268,556.70
  6. Step 6: Final answer
    x = 11,106,186.00

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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.