Home / 22,187,500.53-30,621,792.20-12,768,098.04

Finding the Fourth Proportional to 22,187,500.53, 30,621,792.20 and 12,768,098.04

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Solution

The fourth proportional to 22,187,500.53, 30,621,792.20 and 12,768,098.04 is: 17,621,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187,500.53 : 30,621,792.20 = 12,768,098.04 : x
  2. Step 2: Convert to fraction form
    22,187,500.53/30,621,792.20 = 12,768,098.04/x
  3. Step 3: Cross multiply
    22,187,500.53x = 30,621,792.20 × 12,768,098.04
  4. Step 4: Simplify right side
    22,187,500.53x = 390,982,044,978,087.31
  5. Step 5: Solve for x
    x = 390,982,044,978,087.31/22,187,500.53
  6. Step 6: Final answer
    x = 17,621,725.55

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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.