Home / 10,990,465.56-15,149,323.94-8,663,565.96

Finding the Fourth Proportional to 10,990,465.56, 15,149,323.94 and 8,663,565.96

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Solution

The fourth proportional to 10,990,465.56, 15,149,323.94 and 8,663,565.96 is: 11,941,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,465.56 : 15,149,323.94 = 8,663,565.96 : x
  2. Step 2: Convert to fraction form
    10,990,465.56/15,149,323.94 = 8,663,565.96/x
  3. Step 3: Cross multiply
    10,990,465.56x = 15,149,323.94 × 8,663,565.96
  4. Step 4: Simplify right side
    10,990,465.56x = 131,247,167,203,597.09
  5. Step 5: Solve for x
    x = 131,247,167,203,597.09/10,990,465.56
  6. Step 6: Final answer
    x = 11,941,911.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.