Home / 19,852,606.94-27,389,620.92-12,981,111.26

Finding the Fourth Proportional to 19,852,606.94, 27,389,620.92 and 12,981,111.26

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Solution

The fourth proportional to 19,852,606.94, 27,389,620.92 and 12,981,111.26 is: 17,909,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852,606.94 : 27,389,620.92 = 12,981,111.26 : x
  2. Step 2: Convert to fraction form
    19,852,606.94/27,389,620.92 = 12,981,111.26/x
  3. Step 3: Cross multiply
    19,852,606.94x = 27,389,620.92 × 12,981,111.26
  4. Step 4: Simplify right side
    19,852,606.94x = 355,547,716,531,743.56
  5. Step 5: Solve for x
    x = 355,547,716,531,743.56/19,852,606.94
  6. Step 6: Final answer
    x = 17,909,371.68

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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.