Home / 10,922,523.96-15,078,749.48-7,979,035.86

Finding the Fourth Proportional to 10,922,523.96, 15,078,749.48 and 7,979,035.86

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Solution

The fourth proportional to 10,922,523.96, 15,078,749.48 and 7,979,035.86 is: 11,015,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922,523.96 : 15,078,749.48 = 7,979,035.86 : x
  2. Step 2: Convert to fraction form
    10,922,523.96/15,078,749.48 = 7,979,035.86/x
  3. Step 3: Cross multiply
    10,922,523.96x = 15,078,749.48 × 7,979,035.86
  4. Step 4: Simplify right side
    10,922,523.96x = 120,313,882,824,876.36
  5. Step 5: Solve for x
    x = 120,313,882,824,876.36/10,922,523.96
  6. Step 6: Final answer
    x = 11,015,208.87

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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.