Home / 21,613,846.91-29,823,852.86-12,322,224.32

Finding the Fourth Proportional to 21,613,846.91, 29,823,852.86 and 12,322,224.32

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Solution

The fourth proportional to 21,613,846.91, 29,823,852.86 and 12,322,224.32 is: 17,002,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,846.91 : 29,823,852.86 = 12,322,224.32 : x
  2. Step 2: Convert to fraction form
    21,613,846.91/29,823,852.86 = 12,322,224.32/x
  3. Step 3: Cross multiply
    21,613,846.91x = 29,823,852.86 × 12,322,224.32
  4. Step 4: Simplify right side
    21,613,846.91x = 367,496,204,816,863.19
  5. Step 5: Solve for x
    x = 367,496,204,816,863.19/21,613,846.91
  6. Step 6: Final answer
    x = 17,002,813.36

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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.