Home / 18,821,536.20-28,232,304.30-11,244,601.80

Finding the Fourth Proportional to 18,821,536.20, 28,232,304.30 and 11,244,601.80

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Solution

The fourth proportional to 18,821,536.20, 28,232,304.30 and 11,244,601.80 is: 16,866,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,536.20 : 28,232,304.30 = 11,244,601.80 : x
  2. Step 2: Convert to fraction form
    18,821,536.20/28,232,304.30 = 11,244,601.80/x
  3. Step 3: Cross multiply
    18,821,536.20x = 28,232,304.30 × 11,244,601.80
  4. Step 4: Simplify right side
    18,821,536.20x = 317,461,019,749,927.75
  5. Step 5: Solve for x
    x = 317,461,019,749,927.75/18,821,536.20
  6. Step 6: Final answer
    x = 16,866,902.70

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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.