Home / 16,856,286-23,261,736.36-9,121,328.40

Finding the Fourth Proportional to 16,856,286, 23,261,736.36 and 9,121,328.40

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Solution

The fourth proportional to 16,856,286, 23,261,736.36 and 9,121,328.40 is: 12,587,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856,286 : 23,261,736.36 = 9,121,328.40 : x
  2. Step 2: Convert to fraction form
    16,856,286/23,261,736.36 = 9,121,328.40/x
  3. Step 3: Cross multiply
    16,856,286x = 23,261,736.36 × 9,121,328.40
  4. Step 4: Simplify right side
    16,856,286x = 212,177,936,493,780.62
  5. Step 5: Solve for x
    x = 212,177,936,493,780.62/16,856,286
  6. Step 6: Final answer
    x = 12,587,466.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.