Home / 19,017,718.25-26,215,330.46-11,661,910.61

Finding the Fourth Proportional to 19,017,718.25, 26,215,330.46 and 11,661,910.61

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Solution

The fourth proportional to 19,017,718.25, 26,215,330.46 and 11,661,910.61 is: 16,075,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017,718.25 : 26,215,330.46 = 11,661,910.61 : x
  2. Step 2: Convert to fraction form
    19,017,718.25/26,215,330.46 = 11,661,910.61/x
  3. Step 3: Cross multiply
    19,017,718.25x = 26,215,330.46 × 11,661,910.61
  4. Step 4: Simplify right side
    19,017,718.25x = 305,720,840,246,743.94
  5. Step 5: Solve for x
    x = 305,720,840,246,743.94/19,017,718.25
  6. Step 6: Final answer
    x = 16,075,579.43

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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.