Home / 10,491,153.75-15,736,008.33-6,448,265.55

Finding the Fourth Proportional to 10,491,153.75, 15,736,008.33 and 6,448,265.55

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Solution

The fourth proportional to 10,491,153.75, 15,736,008.33 and 6,448,265.55 is: 9,671,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491,153.75 : 15,736,008.33 = 6,448,265.55 : x
  2. Step 2: Convert to fraction form
    10,491,153.75/15,736,008.33 = 6,448,265.55/x
  3. Step 3: Cross multiply
    10,491,153.75x = 15,736,008.33 × 6,448,265.55
  4. Step 4: Simplify right side
    10,491,153.75x = 101,469,960,408,852.03
  5. Step 5: Solve for x
    x = 101,469,960,408,852.03/10,491,153.75
  6. Step 6: Final answer
    x = 9,671,954.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.