Home / 21,223,389.25-29,267,470.29-13,474,979.47

Finding the Fourth Proportional to 21,223,389.25, 29,267,470.29 and 13,474,979.47

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Solution

The fourth proportional to 21,223,389.25, 29,267,470.29 and 13,474,979.47 is: 18,582,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223,389.25 : 29,267,470.29 = 13,474,979.47 : x
  2. Step 2: Convert to fraction form
    21,223,389.25/29,267,470.29 = 13,474,979.47/x
  3. Step 3: Cross multiply
    21,223,389.25x = 29,267,470.29 × 13,474,979.47
  4. Step 4: Simplify right side
    21,223,389.25x = 394,378,561,296,584.94
  5. Step 5: Solve for x
    x = 394,378,561,296,584.94/21,223,389.25
  6. Step 6: Final answer
    x = 18,582,261.14

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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.