Home / 8,139,669.72-12,211,232.58-3,090,868.44

Finding the Fourth Proportional to 8,139,669.72, 12,211,232.58 and 3,090,868.44

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Solution

The fourth proportional to 8,139,669.72, 12,211,232.58 and 3,090,868.44 is: 4,636,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,669.72 : 12,211,232.58 = 3,090,868.44 : x
  2. Step 2: Convert to fraction form
    8,139,669.72/12,211,232.58 = 3,090,868.44/x
  3. Step 3: Cross multiply
    8,139,669.72x = 12,211,232.58 × 3,090,868.44
  4. Step 4: Simplify right side
    8,139,669.72x = 37,743,313,395,021.77
  5. Step 5: Solve for x
    x = 37,743,313,395,021.77/8,139,669.72
  6. Step 6: Final answer
    x = 4,636,958.83

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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.