Home / 19,157,129.40-28,735,694.10-17,078,604.60

Finding the Fourth Proportional to 19,157,129.40, 28,735,694.10 and 17,078,604.60

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Solution

The fourth proportional to 19,157,129.40, 28,735,694.10 and 17,078,604.60 is: 25,617,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,129.40 : 28,735,694.10 = 17,078,604.60 : x
  2. Step 2: Convert to fraction form
    19,157,129.40/28,735,694.10 = 17,078,604.60/x
  3. Step 3: Cross multiply
    19,157,129.40x = 28,735,694.10 × 17,078,604.60
  4. Step 4: Simplify right side
    19,157,129.40x = 490,765,557,440,452.94
  5. Step 5: Solve for x
    x = 490,765,557,440,452.94/19,157,129.40
  6. Step 6: Final answer
    x = 25,617,906.90

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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.