Home / 18,127,855.20-27,191,782.80-16,616,200.80

Finding the Fourth Proportional to 18,127,855.20, 27,191,782.80 and 16,616,200.80

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Solution

The fourth proportional to 18,127,855.20, 27,191,782.80 and 16,616,200.80 is: 24,924,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,855.20 : 27,191,782.80 = 16,616,200.80 : x
  2. Step 2: Convert to fraction form
    18,127,855.20/27,191,782.80 = 16,616,200.80/x
  3. Step 3: Cross multiply
    18,127,855.20x = 27,191,782.80 × 16,616,200.80
  4. Step 4: Simplify right side
    18,127,855.20x = 451,824,123,114,786.25
  5. Step 5: Solve for x
    x = 451,824,123,114,786.25/18,127,855.20
  6. Step 6: Final answer
    x = 24,924,301.20

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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.