Home / 8,905,615.92-12,289,772.88-4,831,234.56

Finding the Fourth Proportional to 8,905,615.92, 12,289,772.88 and 4,831,234.56

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Solution

The fourth proportional to 8,905,615.92, 12,289,772.88 and 4,831,234.56 is: 6,667,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,615.92 : 12,289,772.88 = 4,831,234.56 : x
  2. Step 2: Convert to fraction form
    8,905,615.92/12,289,772.88 = 4,831,234.56/x
  3. Step 3: Cross multiply
    8,905,615.92x = 12,289,772.88 × 4,831,234.56
  4. Step 4: Simplify right side
    8,905,615.92x = 59,374,775,472,406.73
  5. Step 5: Solve for x
    x = 59,374,775,472,406.73/8,905,615.92
  6. Step 6: Final answer
    x = 6,667,116.12

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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.