Home / 12,079,054.32-18,129,778.92-6,099,621.36

Finding the Fourth Proportional to 12,079,054.32, 18,129,778.92 and 6,099,621.36

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Solution

The fourth proportional to 12,079,054.32, 18,129,778.92 and 6,099,621.36 is: 9,155,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,054.32 : 18,129,778.92 = 6,099,621.36 : x
  2. Step 2: Convert to fraction form
    12,079,054.32/18,129,778.92 = 6,099,621.36/x
  3. Step 3: Cross multiply
    12,079,054.32x = 18,129,778.92 × 6,099,621.36
  4. Step 4: Simplify right side
    12,079,054.32x = 110,584,786,752,509.75
  5. Step 5: Solve for x
    x = 110,584,786,752,509.75/12,079,054.32
  6. Step 6: Final answer
    x = 9,155,086.47

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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.