Home / 8,686,828.62-11,987,981.82-4,766,786.91

Finding the Fourth Proportional to 8,686,828.62, 11,987,981.82 and 4,766,786.91

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Solution

The fourth proportional to 8,686,828.62, 11,987,981.82 and 4,766,786.91 is: 6,578,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,828.62 : 11,987,981.82 = 4,766,786.91 : x
  2. Step 2: Convert to fraction form
    8,686,828.62/11,987,981.82 = 4,766,786.91/x
  3. Step 3: Cross multiply
    8,686,828.62x = 11,987,981.82 × 4,766,786.91
  4. Step 4: Simplify right side
    8,686,828.62x = 57,144,154,816,893.98
  5. Step 5: Solve for x
    x = 57,144,154,816,893.98/8,686,828.62
  6. Step 6: Final answer
    x = 6,578,252.81

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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.