Home / 18,143,670.80-27,215,506.20-16,757,987.60

Finding the Fourth Proportional to 18,143,670.80, 27,215,506.20 and 16,757,987.60

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Solution

The fourth proportional to 18,143,670.80, 27,215,506.20 and 16,757,987.60 is: 25,136,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,670.80 : 27,215,506.20 = 16,757,987.60 : x
  2. Step 2: Convert to fraction form
    18,143,670.80/27,215,506.20 = 16,757,987.60/x
  3. Step 3: Cross multiply
    18,143,670.80x = 27,215,506.20 × 16,757,987.60
  4. Step 4: Simplify right side
    18,143,670.80x = 456,077,115,427,323.12
  5. Step 5: Solve for x
    x = 456,077,115,427,323.12/18,143,670.80
  6. Step 6: Final answer
    x = 25,136,981.40

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Similar ratio
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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.