Home / 15,839,982-21,859,175.16-8,596,638

Finding the Fourth Proportional to 15,839,982, 21,859,175.16 and 8,596,638

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Solution

The fourth proportional to 15,839,982, 21,859,175.16 and 8,596,638 is: 11,863,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839,982 : 21,859,175.16 = 8,596,638 : x
  2. Step 2: Convert to fraction form
    15,839,982/21,859,175.16 = 8,596,638/x
  3. Step 3: Cross multiply
    15,839,982x = 21,859,175.16 × 8,596,638
  4. Step 4: Simplify right side
    15,839,982x = 187,915,415,829,112.09
  5. Step 5: Solve for x
    x = 187,915,415,829,112.09/15,839,982
  6. Step 6: Final answer
    x = 11,863,360.44

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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.