Home / 12,180,839.52-16,809,338.97-7,222,618.01

Finding the Fourth Proportional to 12,180,839.52, 16,809,338.97 and 7,222,618.01

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Solution

The fourth proportional to 12,180,839.52, 16,809,338.97 and 7,222,618.01 is: 9,967,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180,839.52 : 16,809,338.97 = 7,222,618.01 : x
  2. Step 2: Convert to fraction form
    12,180,839.52/16,809,338.97 = 7,222,618.01/x
  3. Step 3: Cross multiply
    12,180,839.52x = 16,809,338.97 × 7,222,618.01
  4. Step 4: Simplify right side
    12,180,839.52x = 121,407,434,380,916.84
  5. Step 5: Solve for x
    x = 121,407,434,380,916.84/12,180,839.52
  6. Step 6: Final answer
    x = 9,967,082.66

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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.