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Finding the Fourth Proportional to 22,147,231.40, 33,220,847.10 and 22,147,231.40

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Solution

The fourth proportional to 22,147,231.40, 33,220,847.10 and 22,147,231.40 is: 33,220,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,231.40 : 33,220,847.10 = 22,147,231.40 : x
  2. Step 2: Convert to fraction form
    22,147,231.40/33,220,847.10 = 22,147,231.40/x
  3. Step 3: Cross multiply
    22,147,231.40x = 33,220,847.10 × 22,147,231.40
  4. Step 4: Simplify right side
    22,147,231.40x = 735,749,788,027,718.88
  5. Step 5: Solve for x
    x = 735,749,788,027,718.88/22,147,231.40
  6. Step 6: Final answer
    x = 33,220,847.10

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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.