Home / 22,811,823.42-31,469,763.95-20,200,988.22

Finding the Fourth Proportional to 22,811,823.42, 31,469,763.95 and 20,200,988.22

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Solution

The fourth proportional to 22,811,823.42, 31,469,763.95 and 20,200,988.22 is: 27,868,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811,823.42 : 31,469,763.95 = 20,200,988.22 : x
  2. Step 2: Convert to fraction form
    22,811,823.42/31,469,763.95 = 20,200,988.22/x
  3. Step 3: Cross multiply
    22,811,823.42x = 31,469,763.95 × 20,200,988.22
  4. Step 4: Simplify right side
    22,811,823.42x = 635,720,330,840,130.62
  5. Step 5: Solve for x
    x = 635,720,330,840,130.62/22,811,823.42
  6. Step 6: Final answer
    x = 27,868,019.10

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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.