Home / 12,015,922.50-18,024,991.80-3,928,939.59

Finding the Fourth Proportional to 12,015,922.50, 18,024,991.80 and 3,928,939.59

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Solution

The fourth proportional to 12,015,922.50, 18,024,991.80 and 3,928,939.59 is: 5,893,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,922.50 : 18,024,991.80 = 3,928,939.59 : x
  2. Step 2: Convert to fraction form
    12,015,922.50/18,024,991.80 = 3,928,939.59/x
  3. Step 3: Cross multiply
    12,015,922.50x = 18,024,991.80 × 3,928,939.59
  4. Step 4: Simplify right side
    12,015,922.50x = 70,819,103,892,445.36
  5. Step 5: Solve for x
    x = 70,819,103,892,445.36/12,015,922.50
  6. Step 6: Final answer
    x = 5,893,771.69

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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.