Home / 31,504,244-47,264,336.40-8,785,143.68

Finding the Fourth Proportional to 31,504,244, 47,264,336.40 and 8,785,143.68

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Solution

The fourth proportional to 31,504,244, 47,264,336.40 and 8,785,143.68 is: 13,179,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,244 : 47,264,336.40 = 8,785,143.68 : x
  2. Step 2: Convert to fraction form
    31,504,244/47,264,336.40 = 8,785,143.68/x
  3. Step 3: Cross multiply
    31,504,244x = 47,264,336.40 × 8,785,143.68
  4. Step 4: Simplify right side
    31,504,244x = 415,223,986,213,853.94
  5. Step 5: Solve for x
    x = 415,223,986,213,853.94/31,504,244
  6. Step 6: Final answer
    x = 13,179,938.11

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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.