Home / 12,455,767.38-17,188,969.68-6,949,143.09

Finding the Fourth Proportional to 12,455,767.38, 17,188,969.68 and 6,949,143.09

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Solution

The fourth proportional to 12,455,767.38, 17,188,969.68 and 6,949,143.09 is: 9,589,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,767.38 : 17,188,969.68 = 6,949,143.09 : x
  2. Step 2: Convert to fraction form
    12,455,767.38/17,188,969.68 = 6,949,143.09/x
  3. Step 3: Cross multiply
    12,455,767.38x = 17,188,969.68 × 6,949,143.09
  4. Step 4: Simplify right side
    12,455,767.38x = 119,448,609,875,991.50
  5. Step 5: Solve for x
    x = 119,448,609,875,991.50/12,455,767.38
  6. Step 6: Final answer
    x = 9,589,823.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.