Home / 22,143,301.28-30,558,512.76-12,850,155.44

Finding the Fourth Proportional to 22,143,301.28, 30,558,512.76 and 12,850,155.44

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Solution

The fourth proportional to 22,143,301.28, 30,558,512.76 and 12,850,155.44 is: 17,733,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,301.28 : 30,558,512.76 = 12,850,155.44 : x
  2. Step 2: Convert to fraction form
    22,143,301.28/30,558,512.76 = 12,850,155.44/x
  3. Step 3: Cross multiply
    22,143,301.28x = 30,558,512.76 × 12,850,155.44
  4. Step 4: Simplify right side
    22,143,301.28x = 392,681,638,981,223.44
  5. Step 5: Solve for x
    x = 392,681,638,981,223.44/22,143,301.28
  6. Step 6: Final answer
    x = 17,733,653.80

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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.