Home / 25,431,985.20-38,147,977.80-22,660,618.80

Finding the Fourth Proportional to 25,431,985.20, 38,147,977.80 and 22,660,618.80

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Solution

The fourth proportional to 25,431,985.20, 38,147,977.80 and 22,660,618.80 is: 33,990,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431,985.20 : 38,147,977.80 = 22,660,618.80 : x
  2. Step 2: Convert to fraction form
    25,431,985.20/38,147,977.80 = 22,660,618.80/x
  3. Step 3: Cross multiply
    25,431,985.20x = 38,147,977.80 × 22,660,618.80
  4. Step 4: Simplify right side
    25,431,985.20x = 864,456,782,916,662.62
  5. Step 5: Solve for x
    x = 864,456,782,916,662.62/25,431,985.20
  6. Step 6: Final answer
    x = 33,990,928.20

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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.