Home / 7,278,910.31-10,917,971.81-2,230,235.39

Finding the Fourth Proportional to 7,278,910.31, 10,917,971.81 and 2,230,235.39

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Solution

The fourth proportional to 7,278,910.31, 10,917,971.81 and 2,230,235.39 is: 3,345,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,910.31 : 10,917,971.81 = 2,230,235.39 : x
  2. Step 2: Convert to fraction form
    7,278,910.31/10,917,971.81 = 2,230,235.39/x
  3. Step 3: Cross multiply
    7,278,910.31x = 10,917,971.81 × 2,230,235.39
  4. Step 4: Simplify right side
    7,278,910.31x = 24,349,647,106,533.18
  5. Step 5: Solve for x
    x = 24,349,647,106,533.18/7,278,910.31
  6. Step 6: Final answer
    x = 3,345,232.47

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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.