Home / 12,460,182.08-18,690,148.56-3,940,520

Finding the Fourth Proportional to 12,460,182.08, 18,690,148.56 and 3,940,520

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Solution

The fourth proportional to 12,460,182.08, 18,690,148.56 and 3,940,520 is: 5,910,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460,182.08 : 18,690,148.56 = 3,940,520 : x
  2. Step 2: Convert to fraction form
    12,460,182.08/18,690,148.56 = 3,940,520/x
  3. Step 3: Cross multiply
    12,460,182.08x = 18,690,148.56 × 3,940,520
  4. Step 4: Simplify right side
    12,460,182.08x = 73,648,904,203,651.19
  5. Step 5: Solve for x
    x = 73,648,904,203,651.19/12,460,182.08
  6. Step 6: Final answer
    x = 5,910,740.61

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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.