Home / 31,502,031.20-47,253,046.80-28,809,396.80

Finding the Fourth Proportional to 31,502,031.20, 47,253,046.80 and 28,809,396.80

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Solution

The fourth proportional to 31,502,031.20, 47,253,046.80 and 28,809,396.80 is: 43,214,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502,031.20 : 47,253,046.80 = 28,809,396.80 : x
  2. Step 2: Convert to fraction form
    31,502,031.20/47,253,046.80 = 28,809,396.80/x
  3. Step 3: Cross multiply
    31,502,031.20x = 47,253,046.80 × 28,809,396.80
  4. Step 4: Simplify right side
    31,502,031.20x = 1,361,331,775,270,170.25
  5. Step 5: Solve for x
    x = 1,361,331,775,270,170.25/31,502,031.20
  6. Step 6: Final answer
    x = 43,214,095.20

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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.