Home / 19,177,318.20-28,765,977.30-17,087,129.40

Finding the Fourth Proportional to 19,177,318.20, 28,765,977.30 and 17,087,129.40

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Solution

The fourth proportional to 19,177,318.20, 28,765,977.30 and 17,087,129.40 is: 25,630,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177,318.20 : 28,765,977.30 = 17,087,129.40 : x
  2. Step 2: Convert to fraction form
    19,177,318.20/28,765,977.30 = 17,087,129.40/x
  3. Step 3: Cross multiply
    19,177,318.20x = 28,765,977.30 × 17,087,129.40
  4. Step 4: Simplify right side
    19,177,318.20x = 491,527,976,442,562.56
  5. Step 5: Solve for x
    x = 491,527,976,442,562.56/19,177,318.20
  6. Step 6: Final answer
    x = 25,630,694.10

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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.