Home / 12,927,072.87-17,839,215.32-7,046,578.26

Finding the Fourth Proportional to 12,927,072.87, 17,839,215.32 and 7,046,578.26

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Solution

The fourth proportional to 12,927,072.87, 17,839,215.32 and 7,046,578.26 is: 9,724,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,072.87 : 17,839,215.32 = 7,046,578.26 : x
  2. Step 2: Convert to fraction form
    12,927,072.87/17,839,215.32 = 7,046,578.26/x
  3. Step 3: Cross multiply
    12,927,072.87x = 17,839,215.32 × 7,046,578.26
  4. Step 4: Simplify right side
    12,927,072.87x = 125,705,426,814,138.06
  5. Step 5: Solve for x
    x = 125,705,426,814,138.06/12,927,072.87
  6. Step 6: Final answer
    x = 9,724,198.83

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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.