Home / 12,122,933.20-18,187,024.20-3,604,130.80

Finding the Fourth Proportional to 12,122,933.20, 18,187,024.20 and 3,604,130.80

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Solution

The fourth proportional to 12,122,933.20, 18,187,024.20 and 3,604,130.80 is: 5,406,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,933.20 : 18,187,024.20 = 3,604,130.80 : x
  2. Step 2: Convert to fraction form
    12,122,933.20/18,187,024.20 = 3,604,130.80/x
  3. Step 3: Cross multiply
    12,122,933.20x = 18,187,024.20 × 3,604,130.80
  4. Step 4: Simplify right side
    12,122,933.20x = 65,548,414,079,565.35
  5. Step 5: Solve for x
    x = 65,548,414,079,565.35/12,122,933.20
  6. Step 6: Final answer
    x = 5,406,976.43

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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.