Home / 8,347,887.76-12,519,817.56-3,487,568.72

Finding the Fourth Proportional to 8,347,887.76, 12,519,817.56 and 3,487,568.72

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Solution

The fourth proportional to 8,347,887.76, 12,519,817.56 and 3,487,568.72 is: 5,230,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347,887.76 : 12,519,817.56 = 3,487,568.72 : x
  2. Step 2: Convert to fraction form
    8,347,887.76/12,519,817.56 = 3,487,568.72/x
  3. Step 3: Cross multiply
    8,347,887.76x = 12,519,817.56 × 3,487,568.72
  4. Step 4: Simplify right side
    8,347,887.76x = 43,663,724,102,362.73
  5. Step 5: Solve for x
    x = 43,663,724,102,362.73/8,347,887.76
  6. Step 6: Final answer
    x = 5,230,511.64

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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.