Home / 11,212,622.64-16,805,057.45-7,968,990.60

Finding the Fourth Proportional to 11,212,622.64, 16,805,057.45 and 7,968,990.60

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Solution

The fourth proportional to 11,212,622.64, 16,805,057.45 and 7,968,990.60 is: 11,943,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212,622.64 : 16,805,057.45 = 7,968,990.60 : x
  2. Step 2: Convert to fraction form
    11,212,622.64/16,805,057.45 = 7,968,990.60/x
  3. Step 3: Cross multiply
    11,212,622.64x = 16,805,057.45 × 7,968,990.60
  4. Step 4: Simplify right side
    11,212,622.64x = 133,919,344,811,665.02
  5. Step 5: Solve for x
    x = 133,919,344,811,665.02/11,212,622.64
  6. Step 6: Final answer
    x = 11,943,623.64

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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.