Home / 18,561,712.20-27,842,568.30-17,302,000.20

Finding the Fourth Proportional to 18,561,712.20, 27,842,568.30 and 17,302,000.20

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Solution

The fourth proportional to 18,561,712.20, 27,842,568.30 and 17,302,000.20 is: 25,953,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561,712.20 : 27,842,568.30 = 17,302,000.20 : x
  2. Step 2: Convert to fraction form
    18,561,712.20/27,842,568.30 = 17,302,000.20/x
  3. Step 3: Cross multiply
    18,561,712.20x = 27,842,568.30 × 17,302,000.20
  4. Step 4: Simplify right side
    18,561,712.20x = 481,732,122,295,113.62
  5. Step 5: Solve for x
    x = 481,732,122,295,113.62/18,561,712.20
  6. Step 6: Final answer
    x = 25,953,000.30

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1.5x scale

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.