Home / 13,311,950.12-18,368,910.42-7,510,393.16

Finding the Fourth Proportional to 13,311,950.12, 18,368,910.42 and 7,510,393.16

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Solution

The fourth proportional to 13,311,950.12, 18,368,910.42 and 7,510,393.16 is: 10,363,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,950.12 : 18,368,910.42 = 7,510,393.16 : x
  2. Step 2: Convert to fraction form
    13,311,950.12/18,368,910.42 = 7,510,393.16/x
  3. Step 3: Cross multiply
    13,311,950.12x = 18,368,910.42 × 7,510,393.16
  4. Step 4: Simplify right side
    13,311,950.12x = 137,957,739,175,020.75
  5. Step 5: Solve for x
    x = 137,957,739,175,020.75/13,311,950.12
  6. Step 6: Final answer
    x = 10,363,450.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.