Home / 17,173,626.20-25,760,439.30-12,890,605.40

Finding the Fourth Proportional to 17,173,626.20, 25,760,439.30 and 12,890,605.40

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Solution

The fourth proportional to 17,173,626.20, 25,760,439.30 and 12,890,605.40 is: 19,335,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173,626.20 : 25,760,439.30 = 12,890,605.40 : x
  2. Step 2: Convert to fraction form
    17,173,626.20/25,760,439.30 = 12,890,605.40/x
  3. Step 3: Cross multiply
    17,173,626.20x = 25,760,439.30 × 12,890,605.40
  4. Step 4: Simplify right side
    17,173,626.20x = 332,067,657,946,952.25
  5. Step 5: Solve for x
    x = 332,067,657,946,952.25/17,173,626.20
  6. Step 6: Final answer
    x = 19,335,908.10

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1.5x scale

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.