Home / 8,269,664.40-12,395,280.60-3,219,296.40

Finding the Fourth Proportional to 8,269,664.40, 12,395,280.60 and 3,219,296.40

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Solution

The fourth proportional to 8,269,664.40, 12,395,280.60 and 3,219,296.40 is: 4,825,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269,664.40 : 12,395,280.60 = 3,219,296.40 : x
  2. Step 2: Convert to fraction form
    8,269,664.40/12,395,280.60 = 3,219,296.40/x
  3. Step 3: Cross multiply
    8,269,664.40x = 12,395,280.60 × 3,219,296.40
  4. Step 4: Simplify right side
    8,269,664.40x = 39,904,082,212,569.84
  5. Step 5: Solve for x
    x = 39,904,082,212,569.84/8,269,664.40
  6. Step 6: Final answer
    x = 4,825,356.90

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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.