Home / 13,203,774.12-19,805,500.80-3,619,144.56

Finding the Fourth Proportional to 13,203,774.12, 19,805,500.80 and 3,619,144.56

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Solution

The fourth proportional to 13,203,774.12, 19,805,500.80 and 3,619,144.56 is: 5,428,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,774.12 : 19,805,500.80 = 3,619,144.56 : x
  2. Step 2: Convert to fraction form
    13,203,774.12/19,805,500.80 = 3,619,144.56/x
  3. Step 3: Cross multiply
    13,203,774.12x = 19,805,500.80 × 3,619,144.56
  4. Step 4: Simplify right side
    13,203,774.12x = 71,678,970,478,395.66
  5. Step 5: Solve for x
    x = 71,678,970,478,395.66/13,203,774.12
  6. Step 6: Final answer
    x = 5,428,672.88

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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.