Home / 18,859,445.73-28,415,190.89-17,039,924.91

Finding the Fourth Proportional to 18,859,445.73, 28,415,190.89 and 17,039,924.91

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Solution

The fourth proportional to 18,859,445.73, 28,415,190.89 and 17,039,924.91 is: 25,673,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859,445.73 : 28,415,190.89 = 17,039,924.91 : x
  2. Step 2: Convert to fraction form
    18,859,445.73/28,415,190.89 = 17,039,924.91/x
  3. Step 3: Cross multiply
    18,859,445.73x = 28,415,190.89 × 17,039,924.91
  4. Step 4: Simplify right side
    18,859,445.73x = 484,192,719,111,515.88
  5. Step 5: Solve for x
    x = 484,192,719,111,515.88/18,859,445.73
  6. Step 6: Final answer
    x = 25,673,751.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.