Home / 31,819,049.13-47,761,970.48-28,198,939.49

Finding the Fourth Proportional to 31,819,049.13, 47,761,970.48 and 28,198,939.49

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Solution

The fourth proportional to 31,819,049.13, 47,761,970.48 and 28,198,939.49 is: 42,328,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819,049.13 : 47,761,970.48 = 28,198,939.49 : x
  2. Step 2: Convert to fraction form
    31,819,049.13/47,761,970.48 = 28,198,939.49/x
  3. Step 3: Cross multiply
    31,819,049.13x = 47,761,970.48 × 28,198,939.49
  4. Step 4: Simplify right side
    31,819,049.13x = 1,346,836,915,108,881.75
  5. Step 5: Solve for x
    x = 1,346,836,915,108,881.75/31,819,049.13
  6. Step 6: Final answer
    x = 42,328,006.40

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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.