Home / 12,015,835.11-18,024,860.75-3,928,852.22

Finding the Fourth Proportional to 12,015,835.11, 18,024,860.75 and 3,928,852.22

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Solution

The fourth proportional to 12,015,835.11, 18,024,860.75 and 3,928,852.22 is: 5,893,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,835.11 : 18,024,860.75 = 3,928,852.22 : x
  2. Step 2: Convert to fraction form
    12,015,835.11/18,024,860.75 = 3,928,852.22/x
  3. Step 3: Cross multiply
    12,015,835.11x = 18,024,860.75 × 3,928,852.22
  4. Step 4: Simplify right side
    12,015,835.11x = 70,817,014,063,059.80
  5. Step 5: Solve for x
    x = 70,817,014,063,059.80/12,015,835.11
  6. Step 6: Final answer
    x = 5,893,640.63

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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.