Home / 26,273,863.90-39,417,986.07-12,638,416.44

Finding the Fourth Proportional to 26,273,863.90, 39,417,986.07 and 12,638,416.44

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Solution

The fourth proportional to 26,273,863.90, 39,417,986.07 and 12,638,416.44 is: 18,961,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,273,863.90 : 39,417,986.07 = 12,638,416.44 : x
  2. Step 2: Convert to fraction form
    26,273,863.90/39,417,986.07 = 12,638,416.44/x
  3. Step 3: Cross multiply
    26,273,863.90x = 39,417,986.07 × 12,638,416.44
  4. Step 4: Simplify right side
    26,273,863.90x = 498,180,923,326,596.44
  5. Step 5: Solve for x
    x = 498,180,923,326,596.44/26,273,863.90
  6. Step 6: Final answer
    x = 18,961,083.35

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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.