Home / 12,936,908.36-17,852,620.64-7,135,565.52

Finding the Fourth Proportional to 12,936,908.36, 17,852,620.64 and 7,135,565.52

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Solution

The fourth proportional to 12,936,908.36, 17,852,620.64 and 7,135,565.52 is: 9,846,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,908.36 : 17,852,620.64 = 7,135,565.52 : x
  2. Step 2: Convert to fraction form
    12,936,908.36/17,852,620.64 = 7,135,565.52/x
  3. Step 3: Cross multiply
    12,936,908.36x = 17,852,620.64 × 7,135,565.52
  4. Step 4: Simplify right side
    12,936,908.36x = 127,388,544,280,424.33
  5. Step 5: Solve for x
    x = 127,388,544,280,424.33/12,936,908.36
  6. Step 6: Final answer
    x = 9,846,907.83

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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.