Home / 21,320,539.46-29,422,344.24-11,530,983.36

Finding the Fourth Proportional to 21,320,539.46, 29,422,344.24 and 11,530,983.36

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Solution

The fourth proportional to 21,320,539.46, 29,422,344.24 and 11,530,983.36 is: 15,912,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,539.46 : 29,422,344.24 = 11,530,983.36 : x
  2. Step 2: Convert to fraction form
    21,320,539.46/29,422,344.24 = 11,530,983.36/x
  3. Step 3: Cross multiply
    21,320,539.46x = 29,422,344.24 × 11,530,983.36
  4. Step 4: Simplify right side
    21,320,539.46x = 339,268,561,843,631.81
  5. Step 5: Solve for x
    x = 339,268,561,843,631.81/21,320,539.46
  6. Step 6: Final answer
    x = 15,912,756.92

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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.