Home / 26,240,165.40-39,367,620.90-12,777,432.60

Finding the Fourth Proportional to 26,240,165.40, 39,367,620.90 and 12,777,432.60

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Solution

The fourth proportional to 26,240,165.40, 39,367,620.90 and 12,777,432.60 is: 19,169,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,240,165.40 : 39,367,620.90 = 12,777,432.60 : x
  2. Step 2: Convert to fraction form
    26,240,165.40/39,367,620.90 = 12,777,432.60/x
  3. Step 3: Cross multiply
    26,240,165.40x = 39,367,620.90 × 12,777,432.60
  4. Step 4: Simplify right side
    26,240,165.40x = 503,017,122,672,101.31
  5. Step 5: Solve for x
    x = 503,017,122,672,101.31/26,240,165.40
  6. Step 6: Final answer
    x = 19,169,739.02

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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.