Home / 22,177,767.78-30,605,366.97-12,519,975.78

Finding the Fourth Proportional to 22,177,767.78, 30,605,366.97 and 12,519,975.78

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Solution

The fourth proportional to 22,177,767.78, 30,605,366.97 and 12,519,975.78 is: 17,277,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177,767.78 : 30,605,366.97 = 12,519,975.78 : x
  2. Step 2: Convert to fraction form
    22,177,767.78/30,605,366.97 = 12,519,975.78/x
  3. Step 3: Cross multiply
    22,177,767.78x = 30,605,366.97 × 12,519,975.78
  4. Step 4: Simplify right side
    22,177,767.78x = 383,178,453,202,411.94
  5. Step 5: Solve for x
    x = 383,178,453,202,411.94/22,177,767.78
  6. Step 6: Final answer
    x = 17,277,593.35

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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.