Home / 18,433,147.20-27,649,720.80-17,388,052.80

Finding the Fourth Proportional to 18,433,147.20, 27,649,720.80 and 17,388,052.80

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Solution

The fourth proportional to 18,433,147.20, 27,649,720.80 and 17,388,052.80 is: 26,082,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433,147.20 : 27,649,720.80 = 17,388,052.80 : x
  2. Step 2: Convert to fraction form
    18,433,147.20/27,649,720.80 = 17,388,052.80/x
  3. Step 3: Cross multiply
    18,433,147.20x = 27,649,720.80 × 17,388,052.80
  4. Step 4: Simplify right side
    18,433,147.20x = 480,774,805,175,658.25
  5. Step 5: Solve for x
    x = 480,774,805,175,658.25/18,433,147.20
  6. Step 6: Final answer
    x = 26,082,079.20

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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.