Home / 22,028,349.76-30,392,493.36-13,204,581.60

Finding the Fourth Proportional to 22,028,349.76, 30,392,493.36 and 13,204,581.60

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Solution

The fourth proportional to 22,028,349.76, 30,392,493.36 and 13,204,581.60 is: 18,218,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028,349.76 : 30,392,493.36 = 13,204,581.60 : x
  2. Step 2: Convert to fraction form
    22,028,349.76/30,392,493.36 = 13,204,581.60/x
  3. Step 3: Cross multiply
    22,028,349.76x = 30,392,493.36 × 13,204,581.60
  4. Step 4: Simplify right side
    22,028,349.76x = 401,320,158,599,578.19
  5. Step 5: Solve for x
    x = 401,320,158,599,578.19/22,028,349.76
  6. Step 6: Final answer
    x = 18,218,348.76

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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.