Home / 22,811,822.42-31,469,762.57-20,200,987.22

Finding the Fourth Proportional to 22,811,822.42, 31,469,762.57 and 20,200,987.22

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Solution

The fourth proportional to 22,811,822.42, 31,469,762.57 and 20,200,987.22 is: 27,868,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811,822.42 : 31,469,762.57 = 20,200,987.22 : x
  2. Step 2: Convert to fraction form
    22,811,822.42/31,469,762.57 = 20,200,987.22/x
  3. Step 3: Cross multiply
    22,811,822.42x = 31,469,762.57 × 20,200,987.22
  4. Step 4: Simplify right side
    22,811,822.42x = 635,720,271,493,004.38
  5. Step 5: Solve for x
    x = 635,720,271,493,004.38/22,811,822.42
  6. Step 6: Final answer
    x = 27,868,017.72

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Double scale
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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.