Home / 19,976,871.84-27,568,177.38-11,275,411.20

Finding the Fourth Proportional to 19,976,871.84, 27,568,177.38 and 11,275,411.20

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Solution

The fourth proportional to 19,976,871.84, 27,568,177.38 and 11,275,411.20 is: 15,560,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976,871.84 : 27,568,177.38 = 11,275,411.20 : x
  2. Step 2: Convert to fraction form
    19,976,871.84/27,568,177.38 = 11,275,411.20/x
  3. Step 3: Cross multiply
    19,976,871.84x = 27,568,177.38 × 11,275,411.20
  4. Step 4: Simplify right side
    19,976,871.84x = 310,842,535,994,038.62
  5. Step 5: Solve for x
    x = 310,842,535,994,038.62/19,976,871.84
  6. Step 6: Final answer
    x = 15,560,120.65

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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.