Home / 21,718,238.92-29,981,373.80-12,549,108.04

Finding the Fourth Proportional to 21,718,238.92, 29,981,373.80 and 12,549,108.04

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Solution

The fourth proportional to 21,718,238.92, 29,981,373.80 and 12,549,108.04 is: 17,323,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718,238.92 : 29,981,373.80 = 12,549,108.04 : x
  2. Step 2: Convert to fraction form
    21,718,238.92/29,981,373.80 = 12,549,108.04/x
  3. Step 3: Cross multiply
    21,718,238.92x = 29,981,373.80 × 12,549,108.04
  4. Step 4: Simplify right side
    21,718,238.92x = 376,239,499,003,825.31
  5. Step 5: Solve for x
    x = 376,239,499,003,825.31/21,718,238.92
  6. Step 6: Final answer
    x = 17,323,665.16

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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.