Home / 26,299,288.10-39,448,932.15-12,143,512.10

Finding the Fourth Proportional to 26,299,288.10, 39,448,932.15 and 12,143,512.10

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Solution

The fourth proportional to 26,299,288.10, 39,448,932.15 and 12,143,512.10 is: 18,215,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299,288.10 : 39,448,932.15 = 12,143,512.10 : x
  2. Step 2: Convert to fraction form
    26,299,288.10/39,448,932.15 = 12,143,512.10/x
  3. Step 3: Cross multiply
    26,299,288.10x = 39,448,932.15 × 12,143,512.10
  4. Step 4: Simplify right side
    26,299,288.10x = 479,048,584,895,604
  5. Step 5: Solve for x
    x = 479,048,584,895,604/26,299,288.10
  6. Step 6: Final answer
    x = 18,215,268.15

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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.