Home / 22,145,943.60-33,218,915.40-20,728,767.60

Finding the Fourth Proportional to 22,145,943.60, 33,218,915.40 and 20,728,767.60

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Solution

The fourth proportional to 22,145,943.60, 33,218,915.40 and 20,728,767.60 is: 31,093,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145,943.60 : 33,218,915.40 = 20,728,767.60 : x
  2. Step 2: Convert to fraction form
    22,145,943.60/33,218,915.40 = 20,728,767.60/x
  3. Step 3: Cross multiply
    22,145,943.60x = 33,218,915.40 × 20,728,767.60
  4. Step 4: Simplify right side
    22,145,943.60x = 688,587,177,250,661
  5. Step 5: Solve for x
    x = 688,587,177,250,661/22,145,943.60
  6. Step 6: Final answer
    x = 31,093,151.40

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Double scale
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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.