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Finding the Fourth Proportional to 8,334,913.61, 12,502,370.42 and 5,494,361.46

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Solution

The fourth proportional to 8,334,913.61, 12,502,370.42 and 5,494,361.46 is: 8,241,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334,913.61 : 12,502,370.42 = 5,494,361.46 : x
  2. Step 2: Convert to fraction form
    8,334,913.61/12,502,370.42 = 5,494,361.46/x
  3. Step 3: Cross multiply
    8,334,913.61x = 12,502,370.42 × 5,494,361.46
  4. Step 4: Simplify right side
    8,334,913.61x = 68,692,542,208,027.91
  5. Step 5: Solve for x
    x = 68,692,542,208,027.91/8,334,913.61
  6. Step 6: Final answer
    x = 8,241,542.20

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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.