Home / 12,904,386.82-17,805,970.04-7,396,748.23

Finding the Fourth Proportional to 12,904,386.82, 17,805,970.04 and 7,396,748.23

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Solution

The fourth proportional to 12,904,386.82, 17,805,970.04 and 7,396,748.23 is: 10,206,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,386.82 : 17,805,970.04 = 7,396,748.23 : x
  2. Step 2: Convert to fraction form
    12,904,386.82/17,805,970.04 = 7,396,748.23/x
  3. Step 3: Cross multiply
    12,904,386.82x = 17,805,970.04 × 7,396,748.23
  4. Step 4: Simplify right side
    12,904,386.82x = 131,706,277,370,297.25
  5. Step 5: Solve for x
    x = 131,706,277,370,297.25/12,904,386.82
  6. Step 6: Final answer
    x = 10,206,318.15

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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.