Home / 21,743,979.54-30,006,711-11,954,590.26

Finding the Fourth Proportional to 21,743,979.54, 30,006,711 and 11,954,590.26

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Solution

The fourth proportional to 21,743,979.54, 30,006,711 and 11,954,590.26 is: 16,497,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,979.54 : 30,006,711 = 11,954,590.26 : x
  2. Step 2: Convert to fraction form
    21,743,979.54/30,006,711 = 11,954,590.26/x
  3. Step 3: Cross multiply
    21,743,979.54x = 30,006,711 × 11,954,590.26
  4. Step 4: Simplify right side
    21,743,979.54x = 358,717,935,055,234.88
  5. Step 5: Solve for x
    x = 358,717,935,055,234.88/21,743,979.54
  6. Step 6: Final answer
    x = 16,497,345.13

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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.