Home / 12,015,917.24-18,024,984-3,928,934.34

Finding the Fourth Proportional to 12,015,917.24, 18,024,984 and 3,928,934.34

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Solution

The fourth proportional to 12,015,917.24, 18,024,984 and 3,928,934.34 is: 5,893,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,917.24 : 18,024,984 = 3,928,934.34 : x
  2. Step 2: Convert to fraction form
    12,015,917.24/18,024,984 = 3,928,934.34/x
  3. Step 3: Cross multiply
    12,015,917.24x = 18,024,984 × 3,928,934.34
  4. Step 4: Simplify right side
    12,015,917.24x = 70,818,978,615,550.56
  5. Step 5: Solve for x
    x = 70,818,978,615,550.56/12,015,917.24
  6. Step 6: Final answer
    x = 5,893,763.85

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1.5x scale

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.