Home / 12,622,512.30-18,933,768.45-11,063,618.70

Finding the Fourth Proportional to 12,622,512.30, 18,933,768.45 and 11,063,618.70

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Solution

The fourth proportional to 12,622,512.30, 18,933,768.45 and 11,063,618.70 is: 16,595,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,512.30 : 18,933,768.45 = 11,063,618.70 : x
  2. Step 2: Convert to fraction form
    12,622,512.30/18,933,768.45 = 11,063,618.70/x
  3. Step 3: Cross multiply
    12,622,512.30x = 18,933,768.45 × 11,063,618.70
  4. Step 4: Simplify right side
    12,622,512.30x = 209,475,994,684,890
  5. Step 5: Solve for x
    x = 209,475,994,684,890/12,622,512.30
  6. Step 6: Final answer
    x = 16,595,428.05

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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.