Home / 12,481,666.30-18,722,499.45-10,466,127.10

Finding the Fourth Proportional to 12,481,666.30, 18,722,499.45 and 10,466,127.10

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Solution

The fourth proportional to 12,481,666.30, 18,722,499.45 and 10,466,127.10 is: 15,699,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,666.30 : 18,722,499.45 = 10,466,127.10 : x
  2. Step 2: Convert to fraction form
    12,481,666.30/18,722,499.45 = 10,466,127.10/x
  3. Step 3: Cross multiply
    12,481,666.30x = 18,722,499.45 × 10,466,127.10
  4. Step 4: Simplify right side
    12,481,666.30x = 195,952,058,873,380.09
  5. Step 5: Solve for x
    x = 195,952,058,873,380.09/12,481,666.30
  6. Step 6: Final answer
    x = 15,699,190.65

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Similar ratio
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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.