Home / 12,460,180.08-18,690,145.56-3,940,518

Finding the Fourth Proportional to 12,460,180.08, 18,690,145.56 and 3,940,518

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Solution

The fourth proportional to 12,460,180.08, 18,690,145.56 and 3,940,518 is: 5,910,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460,180.08 : 18,690,145.56 = 3,940,518 : x
  2. Step 2: Convert to fraction form
    12,460,180.08/18,690,145.56 = 3,940,518/x
  3. Step 3: Cross multiply
    12,460,180.08x = 18,690,145.56 × 3,940,518
  4. Step 4: Simplify right side
    12,460,180.08x = 73,648,855,001,800.08
  5. Step 5: Solve for x
    x = 73,648,855,001,800.08/12,460,180.08
  6. Step 6: Final answer
    x = 5,910,737.61

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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.