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Finding the Fourth Proportional to 8,632,370.22, 11,912,672.07 and 4,764,892.11

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Solution

The fourth proportional to 8,632,370.22, 11,912,672.07 and 4,764,892.11 is: 6,575,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632,370.22 : 11,912,672.07 = 4,764,892.11 : x
  2. Step 2: Convert to fraction form
    8,632,370.22/11,912,672.07 = 4,764,892.11/x
  3. Step 3: Cross multiply
    8,632,370.22x = 11,912,672.07 × 4,764,892.11
  4. Step 4: Simplify right side
    8,632,370.22x = 56,762,597,155,360.38
  5. Step 5: Solve for x
    x = 56,762,597,155,360.38/8,632,370.22
  6. Step 6: Final answer
    x = 6,575,551.76

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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.