Home / 7,912,790.98-11,867,525.70-2,231,686.69

Finding the Fourth Proportional to 7,912,790.98, 11,867,525.70 and 2,231,686.69

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Solution

The fourth proportional to 7,912,790.98, 11,867,525.70 and 2,231,686.69 is: 3,347,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,790.98 : 11,867,525.70 = 2,231,686.69 : x
  2. Step 2: Convert to fraction form
    7,912,790.98/11,867,525.70 = 2,231,686.69/x
  3. Step 3: Cross multiply
    7,912,790.98x = 11,867,525.70 × 2,231,686.69
  4. Step 4: Simplify right side
    7,912,790.98x = 26,484,599,147,922.93
  5. Step 5: Solve for x
    x = 26,484,599,147,922.93/7,912,790.98
  6. Step 6: Final answer
    x = 3,347,061.64

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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.