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Finding the Fourth Proportional to 8,916,463.67, 12,308,486.33 and 6,019,778.03

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Solution

The fourth proportional to 8,916,463.67, 12,308,486.33 and 6,019,778.03 is: 8,309,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916,463.67 : 12,308,486.33 = 6,019,778.03 : x
  2. Step 2: Convert to fraction form
    8,916,463.67/12,308,486.33 = 6,019,778.03/x
  3. Step 3: Cross multiply
    8,916,463.67x = 12,308,486.33 × 6,019,778.03
  4. Step 4: Simplify right side
    8,916,463.67x = 74,094,355,545,396.34
  5. Step 5: Solve for x
    x = 74,094,355,545,396.34/8,916,463.67
  6. Step 6: Final answer
    x = 8,309,836.54

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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.