Home / 19,152,121.40-28,728,182.10-17,388,524.60

Finding the Fourth Proportional to 19,152,121.40, 28,728,182.10 and 17,388,524.60

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Solution

The fourth proportional to 19,152,121.40, 28,728,182.10 and 17,388,524.60 is: 26,082,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,121.40 : 28,728,182.10 = 17,388,524.60 : x
  2. Step 2: Convert to fraction form
    19,152,121.40/28,728,182.10 = 17,388,524.60/x
  3. Step 3: Cross multiply
    19,152,121.40x = 28,728,182.10 × 17,388,524.60
  4. Step 4: Simplify right side
    19,152,121.40x = 499,540,701,159,129.75
  5. Step 5: Solve for x
    x = 499,540,701,159,129.75/19,152,121.40
  6. Step 6: Final answer
    x = 26,082,786.90

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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.