Home / 20,801,733.77-31,194,961.16-7,151,007.38

Finding the Fourth Proportional to 20,801,733.77, 31,194,961.16 and 7,151,007.38

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Solution

The fourth proportional to 20,801,733.77, 31,194,961.16 and 7,151,007.38 is: 10,723,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,733.77 : 31,194,961.16 = 7,151,007.38 : x
  2. Step 2: Convert to fraction form
    20,801,733.77/31,194,961.16 = 7,151,007.38/x
  3. Step 3: Cross multiply
    20,801,733.77x = 31,194,961.16 × 7,151,007.38
  4. Step 4: Simplify right side
    20,801,733.77x = 223,075,397,484,233.09
  5. Step 5: Solve for x
    x = 223,075,397,484,233.09/20,801,733.77
  6. Step 6: Final answer
    x = 10,723,884.85

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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.