Home / 12,356,852.20-18,535,278.30-11,664,010.60

Finding the Fourth Proportional to 12,356,852.20, 18,535,278.30 and 11,664,010.60

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Solution

The fourth proportional to 12,356,852.20, 18,535,278.30 and 11,664,010.60 is: 17,496,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,852.20 : 18,535,278.30 = 11,664,010.60 : x
  2. Step 2: Convert to fraction form
    12,356,852.20/18,535,278.30 = 11,664,010.60/x
  3. Step 3: Cross multiply
    12,356,852.20x = 18,535,278.30 × 11,664,010.60
  4. Step 4: Simplify right side
    12,356,852.20x = 216,195,682,565,149.97
  5. Step 5: Solve for x
    x = 216,195,682,565,149.97/12,356,852.20
  6. Step 6: Final answer
    x = 17,496,015.90

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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.