Home / 12,460,181.08-18,690,147.06-3,940,519

Finding the Fourth Proportional to 12,460,181.08, 18,690,147.06 and 3,940,519

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Solution

The fourth proportional to 12,460,181.08, 18,690,147.06 and 3,940,519 is: 5,910,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460,181.08 : 18,690,147.06 = 3,940,519 : x
  2. Step 2: Convert to fraction form
    12,460,181.08/18,690,147.06 = 3,940,519/x
  3. Step 3: Cross multiply
    12,460,181.08x = 18,690,147.06 × 3,940,519
  4. Step 4: Simplify right side
    12,460,181.08x = 73,648,879,602,724.14
  5. Step 5: Solve for x
    x = 73,648,879,602,724.14/12,460,181.08
  6. Step 6: Final answer
    x = 5,910,739.11

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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.