Home / 13,933,843.22-19,227,642.09-7,821,090.74

Finding the Fourth Proportional to 13,933,843.22, 19,227,642.09 and 7,821,090.74

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Solution

The fourth proportional to 13,933,843.22, 19,227,642.09 and 7,821,090.74 is: 10,792,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933,843.22 : 19,227,642.09 = 7,821,090.74 : x
  2. Step 2: Convert to fraction form
    13,933,843.22/19,227,642.09 = 7,821,090.74/x
  3. Step 3: Cross multiply
    13,933,843.22x = 19,227,642.09 × 7,821,090.74
  4. Step 4: Simplify right side
    13,933,843.22x = 150,381,133,502,133.25
  5. Step 5: Solve for x
    x = 150,381,133,502,133.25/13,933,843.22
  6. Step 6: Final answer
    x = 10,792,509.37

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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.