Home / 12,485,590.20-18,729,632.70-3,387,832.20

Finding the Fourth Proportional to 12,485,590.20, 18,729,632.70 and 3,387,832.20

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Solution

The fourth proportional to 12,485,590.20, 18,729,632.70 and 3,387,832.20 is: 5,082,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,590.20 : 18,729,632.70 = 3,387,832.20 : x
  2. Step 2: Convert to fraction form
    12,485,590.20/18,729,632.70 = 3,387,832.20/x
  3. Step 3: Cross multiply
    12,485,590.20x = 18,729,632.70 × 3,387,832.20
  4. Step 4: Simplify right side
    12,485,590.20x = 63,452,852,755,232.94
  5. Step 5: Solve for x
    x = 63,452,852,755,232.94/12,485,590.20
  6. Step 6: Final answer
    x = 5,082,086.77

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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.