Home / 12,896,371.16-17,796,991.60-7,095,028.44

Finding the Fourth Proportional to 12,896,371.16, 17,796,991.60 and 7,095,028.44

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Solution

The fourth proportional to 12,896,371.16, 17,796,991.60 and 7,095,028.44 is: 9,791,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,371.16 : 17,796,991.60 = 7,095,028.44 : x
  2. Step 2: Convert to fraction form
    12,896,371.16/17,796,991.60 = 7,095,028.44/x
  3. Step 3: Cross multiply
    12,896,371.16x = 17,796,991.60 × 7,095,028.44
  4. Step 4: Simplify right side
    12,896,371.16x = 126,270,161,548,441.12
  5. Step 5: Solve for x
    x = 126,270,161,548,441.12/12,896,371.16
  6. Step 6: Final answer
    x = 9,791,138.92

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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.