Home / 20,287,310.80-30,380,487.50-14,193,512.32

Finding the Fourth Proportional to 20,287,310.80, 30,380,487.50 and 14,193,512.32

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Solution

The fourth proportional to 20,287,310.80, 30,380,487.50 and 14,193,512.32 is: 21,254,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,310.80 : 30,380,487.50 = 14,193,512.32 : x
  2. Step 2: Convert to fraction form
    20,287,310.80/30,380,487.50 = 14,193,512.32/x
  3. Step 3: Cross multiply
    20,287,310.80x = 30,380,487.50 × 14,193,512.32
  4. Step 4: Simplify right side
    20,287,310.80x = 431,205,823,618,856
  5. Step 5: Solve for x
    x = 431,205,823,618,856/20,287,310.80
  6. Step 6: Final answer
    x = 21,254,952.31

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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.