Home / 9,168,584.20-13,752,876.30-8,384,763.40

Finding the Fourth Proportional to 9,168,584.20, 13,752,876.30 and 8,384,763.40

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Solution

The fourth proportional to 9,168,584.20, 13,752,876.30 and 8,384,763.40 is: 12,577,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,584.20 : 13,752,876.30 = 8,384,763.40 : x
  2. Step 2: Convert to fraction form
    9,168,584.20/13,752,876.30 = 8,384,763.40/x
  3. Step 3: Cross multiply
    9,168,584.20x = 13,752,876.30 × 8,384,763.40
  4. Step 4: Simplify right side
    9,168,584.20x = 115,314,613,844,967.44
  5. Step 5: Solve for x
    x = 115,314,613,844,967.44/9,168,584.20
  6. Step 6: Final answer
    x = 12,577,145.10

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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.