Home / 31,811,453.80-47,713,607.31-8,785,661.72

Finding the Fourth Proportional to 31,811,453.80, 47,713,607.31 and 8,785,661.72

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Solution

The fourth proportional to 31,811,453.80, 47,713,607.31 and 8,785,661.72 is: 13,177,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811,453.80 : 47,713,607.31 = 8,785,661.72 : x
  2. Step 2: Convert to fraction form
    31,811,453.80/47,713,607.31 = 8,785,661.72/x
  3. Step 3: Cross multiply
    31,811,453.80x = 47,713,607.31 × 8,785,661.72
  4. Step 4: Simplify right side
    31,811,453.80x = 419,195,613,266,579.25
  5. Step 5: Solve for x
    x = 419,195,613,266,579.25/31,811,453.80
  6. Step 6: Final answer
    x = 13,177,505.68

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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.