Home / 31,757,872.07-47,640,744.71-9,040,540.79

Finding the Fourth Proportional to 31,757,872.07, 47,640,744.71 and 9,040,540.79

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Solution

The fourth proportional to 31,757,872.07, 47,640,744.71 and 9,040,540.79 is: 13,561,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,757,872.07 : 47,640,744.71 = 9,040,540.79 : x
  2. Step 2: Convert to fraction form
    31,757,872.07/47,640,744.71 = 9,040,540.79/x
  3. Step 3: Cross multiply
    31,757,872.07x = 47,640,744.71 × 9,040,540.79
  4. Step 4: Simplify right side
    31,757,872.07x = 430,698,095,924,532.94
  5. Step 5: Solve for x
    x = 430,698,095,924,532.94/31,757,872.07
  6. Step 6: Final answer
    x = 13,561,931.82

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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.