Home / 20,839,334.57-31,256,164.17-5,485,338.46

Finding the Fourth Proportional to 20,839,334.57, 31,256,164.17 and 5,485,338.46

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Solution

The fourth proportional to 20,839,334.57, 31,256,164.17 and 5,485,338.46 is: 8,227,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839,334.57 : 31,256,164.17 = 5,485,338.46 : x
  2. Step 2: Convert to fraction form
    20,839,334.57/31,256,164.17 = 5,485,338.46/x
  3. Step 3: Cross multiply
    20,839,334.57x = 31,256,164.17 × 5,485,338.46
  4. Step 4: Simplify right side
    20,839,334.57x = 171,450,639,472,845.19
  5. Step 5: Solve for x
    x = 171,450,639,472,845.19/20,839,334.57
  6. Step 6: Final answer
    x = 8,227,260.76

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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.