Home / 8,180,349.87-11,309,290.16-6,139,616.43

Finding the Fourth Proportional to 8,180,349.87, 11,309,290.16 and 6,139,616.43

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Solution

The fourth proportional to 8,180,349.87, 11,309,290.16 and 6,139,616.43 is: 8,487,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180,349.87 : 11,309,290.16 = 6,139,616.43 : x
  2. Step 2: Convert to fraction form
    8,180,349.87/11,309,290.16 = 6,139,616.43/x
  3. Step 3: Cross multiply
    8,180,349.87x = 11,309,290.16 × 6,139,616.43
  4. Step 4: Simplify right side
    8,180,349.87x = 69,434,703,647,275.24
  5. Step 5: Solve for x
    x = 69,434,703,647,275.24/8,180,349.87
  6. Step 6: Final answer
    x = 8,487,987.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.