Home / 21,387,103.20-32,085,320.40-6,239,800.80

Finding the Fourth Proportional to 21,387,103.20, 32,085,320.40 and 6,239,800.80

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Solution

The fourth proportional to 21,387,103.20, 32,085,320.40 and 6,239,800.80 is: 9,361,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,103.20 : 32,085,320.40 = 6,239,800.80 : x
  2. Step 2: Convert to fraction form
    21,387,103.20/32,085,320.40 = 6,239,800.80/x
  3. Step 3: Cross multiply
    21,387,103.20x = 32,085,320.40 × 6,239,800.80
  4. Step 4: Simplify right side
    21,387,103.20x = 200,206,007,900,176.31
  5. Step 5: Solve for x
    x = 200,206,007,900,176.31/21,387,103.20
  6. Step 6: Final answer
    x = 9,361,062.41

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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.