Home / 12,561,805.20-18,842,707.80-3,585,190.80

Finding the Fourth Proportional to 12,561,805.20, 18,842,707.80 and 3,585,190.80

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Solution

The fourth proportional to 12,561,805.20, 18,842,707.80 and 3,585,190.80 is: 5,377,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,805.20 : 18,842,707.80 = 3,585,190.80 : x
  2. Step 2: Convert to fraction form
    12,561,805.20/18,842,707.80 = 3,585,190.80/x
  3. Step 3: Cross multiply
    12,561,805.20x = 18,842,707.80 × 3,585,190.80
  4. Step 4: Simplify right side
    12,561,805.20x = 67,554,702,651,648.24
  5. Step 5: Solve for x
    x = 67,554,702,651,648.24/12,561,805.20
  6. Step 6: Final answer
    x = 5,377,786.20

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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.