Home / 31,504,221-47,264,301.90-8,785,120.68

Finding the Fourth Proportional to 31,504,221, 47,264,301.90 and 8,785,120.68

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Solution

The fourth proportional to 31,504,221, 47,264,301.90 and 8,785,120.68 is: 13,179,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,221 : 47,264,301.90 = 8,785,120.68 : x
  2. Step 2: Convert to fraction form
    31,504,221/47,264,301.90 = 8,785,120.68/x
  3. Step 3: Cross multiply
    31,504,221x = 47,264,301.90 × 8,785,120.68
  4. Step 4: Simplify right side
    31,504,221x = 415,222,596,047,453.25
  5. Step 5: Solve for x
    x = 415,222,596,047,453.25/31,504,221
  6. Step 6: Final answer
    x = 13,179,903.61

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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.