Home / 13,929,399.77-19,222,571.73-7,817,828.27

Finding the Fourth Proportional to 13,929,399.77, 19,222,571.73 and 7,817,828.27

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Solution

The fourth proportional to 13,929,399.77, 19,222,571.73 and 7,817,828.27 is: 10,788,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,399.77 : 19,222,571.73 = 7,817,828.27 : x
  2. Step 2: Convert to fraction form
    13,929,399.77/19,222,571.73 = 7,817,828.27/x
  3. Step 3: Cross multiply
    13,929,399.77x = 19,222,571.73 × 7,817,828.27
  4. Step 4: Simplify right side
    13,929,399.77x = 150,278,764,722,318.50
  5. Step 5: Solve for x
    x = 150,278,764,722,318.50/13,929,399.77
  6. Step 6: Final answer
    x = 10,788,603.04

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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.