Home / 13,267,382.44-19,901,006.86-5,181,179.20

Finding the Fourth Proportional to 13,267,382.44, 19,901,006.86 and 5,181,179.20

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Solution

The fourth proportional to 13,267,382.44, 19,901,006.86 and 5,181,179.20 is: 7,771,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267,382.44 : 19,901,006.86 = 5,181,179.20 : x
  2. Step 2: Convert to fraction form
    13,267,382.44/19,901,006.86 = 5,181,179.20/x
  3. Step 3: Cross multiply
    13,267,382.44x = 19,901,006.86 × 5,181,179.20
  4. Step 4: Simplify right side
    13,267,382.44x = 103,110,682,802,089.31
  5. Step 5: Solve for x
    x = 103,110,682,802,089.31/13,267,382.44
  6. Step 6: Final answer
    x = 7,771,742.71

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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.