Home / 31,811,452.80-47,713,605.82-8,785,660.72

Finding the Fourth Proportional to 31,811,452.80, 47,713,605.82 and 8,785,660.72

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Solution

The fourth proportional to 31,811,452.80, 47,713,605.82 and 8,785,660.72 is: 13,177,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811,452.80 : 47,713,605.82 = 8,785,660.72 : x
  2. Step 2: Convert to fraction form
    31,811,452.80/47,713,605.82 = 8,785,660.72/x
  3. Step 3: Cross multiply
    31,811,452.80x = 47,713,605.82 × 8,785,660.72
  4. Step 4: Simplify right side
    31,811,452.80x = 419,195,552,418,409.12
  5. Step 5: Solve for x
    x = 419,195,552,418,409.12/31,811,452.80
  6. Step 6: Final answer
    x = 13,177,504.19

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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.