Home / 18,181,218.48-27,276,396-5,227,393.20

Finding the Fourth Proportional to 18,181,218.48, 27,276,396 and 5,227,393.20

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Solution

The fourth proportional to 18,181,218.48, 27,276,396 and 5,227,393.20 is: 7,842,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,218.48 : 27,276,396 = 5,227,393.20 : x
  2. Step 2: Convert to fraction form
    18,181,218.48/27,276,396 = 5,227,393.20/x
  3. Step 3: Cross multiply
    18,181,218.48x = 27,276,396 × 5,227,393.20
  4. Step 4: Simplify right side
    18,181,218.48x = 142,584,446,970,907.22
  5. Step 5: Solve for x
    x = 142,584,446,970,907.22/18,181,218.48
  6. Step 6: Final answer
    x = 7,842,403.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.