Home / 31,811,454.11-47,713,607.78-8,785,662.03

Finding the Fourth Proportional to 31,811,454.11, 47,713,607.78 and 8,785,662.03

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Solution

The fourth proportional to 31,811,454.11, 47,713,607.78 and 8,785,662.03 is: 13,177,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811,454.11 : 47,713,607.78 = 8,785,662.03 : x
  2. Step 2: Convert to fraction form
    31,811,454.11/47,713,607.78 = 8,785,662.03/x
  3. Step 3: Cross multiply
    31,811,454.11x = 47,713,607.78 × 8,785,662.03
  4. Step 4: Simplify right side
    31,811,454.11x = 419,195,632,143,130.25
  5. Step 5: Solve for x
    x = 419,195,632,143,130.25/31,811,454.11
  6. Step 6: Final answer
    x = 13,177,506.15

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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.