Home / 19,314,760.40-28,930,150.20-11,728,494.80

Finding the Fourth Proportional to 19,314,760.40, 28,930,150.20 and 11,728,494.80

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Solution

The fourth proportional to 19,314,760.40, 28,930,150.20 and 11,728,494.80 is: 17,567,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314,760.40 : 28,930,150.20 = 11,728,494.80 : x
  2. Step 2: Convert to fraction form
    19,314,760.40/28,930,150.20 = 11,728,494.80/x
  3. Step 3: Cross multiply
    19,314,760.40x = 28,930,150.20 × 11,728,494.80
  4. Step 4: Simplify right side
    19,314,760.40x = 339,307,116,183,919
  5. Step 5: Solve for x
    x = 339,307,116,183,919/19,314,760.40
  6. Step 6: Final answer
    x = 17,567,244.38

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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.