Home / 21,141,569.54-31,707,392.24-11,923,527.36

Finding the Fourth Proportional to 21,141,569.54, 31,707,392.24 and 11,923,527.36

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Solution

The fourth proportional to 21,141,569.54, 31,707,392.24 and 11,923,527.36 is: 17,882,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,569.54 : 31,707,392.24 = 11,923,527.36 : x
  2. Step 2: Convert to fraction form
    21,141,569.54/31,707,392.24 = 11,923,527.36/x
  3. Step 3: Cross multiply
    21,141,569.54x = 31,707,392.24 × 11,923,527.36
  4. Step 4: Simplify right side
    21,141,569.54x = 378,063,958,887,891.62
  5. Step 5: Solve for x
    x = 378,063,958,887,891.62/21,141,569.54
  6. Step 6: Final answer
    x = 17,882,492.51

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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.