Home / 13,267,338.56-19,900,942.49-5,181,135.56

Finding the Fourth Proportional to 13,267,338.56, 19,900,942.49 and 5,181,135.56

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Solution

The fourth proportional to 13,267,338.56, 19,900,942.49 and 5,181,135.56 is: 7,771,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267,338.56 : 19,900,942.49 = 5,181,135.56 : x
  2. Step 2: Convert to fraction form
    13,267,338.56/19,900,942.49 = 5,181,135.56/x
  3. Step 3: Cross multiply
    13,267,338.56x = 19,900,942.49 × 5,181,135.56
  4. Step 4: Simplify right side
    13,267,338.56x = 103,109,480,725,902.06
  5. Step 5: Solve for x
    x = 103,109,480,725,902.06/13,267,338.56
  6. Step 6: Final answer
    x = 7,771,677.82

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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.