Home / 26,178,939.33-39,215,336.88-12,137,447.10

Finding the Fourth Proportional to 26,178,939.33, 39,215,336.88 and 12,137,447.10

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Solution

The fourth proportional to 26,178,939.33, 39,215,336.88 and 12,137,447.10 is: 18,181,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178,939.33 : 39,215,336.88 = 12,137,447.10 : x
  2. Step 2: Convert to fraction form
    26,178,939.33/39,215,336.88 = 12,137,447.10/x
  3. Step 3: Cross multiply
    26,178,939.33x = 39,215,336.88 × 12,137,447.10
  4. Step 4: Simplify right side
    26,178,939.33x = 475,974,076,889,679.06
  5. Step 5: Solve for x
    x = 475,974,076,889,679.06/26,178,939.33
  6. Step 6: Final answer
    x = 18,181,564.61

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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.