Home / 31,819,047.72-47,761,968.33-28,198,938.06

Finding the Fourth Proportional to 31,819,047.72, 47,761,968.33 and 28,198,938.06

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Solution

The fourth proportional to 31,819,047.72, 47,761,968.33 and 28,198,938.06 is: 42,328,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819,047.72 : 47,761,968.33 = 28,198,938.06 : x
  2. Step 2: Convert to fraction form
    31,819,047.72/47,761,968.33 = 28,198,938.06/x
  3. Step 3: Cross multiply
    31,819,047.72x = 47,761,968.33 × 28,198,938.06
  4. Step 4: Simplify right side
    31,819,047.72x = 1,346,836,786,561,351.50
  5. Step 5: Solve for x
    x = 1,346,836,786,561,351.50/31,819,047.72
  6. Step 6: Final answer
    x = 42,328,004.23

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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.