Home / 10,922,518.70-15,078,742.23-7,979,030.61

Finding the Fourth Proportional to 10,922,518.70, 15,078,742.23 and 7,979,030.61

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Solution

The fourth proportional to 10,922,518.70, 15,078,742.23 and 7,979,030.61 is: 11,015,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922,518.70 : 15,078,742.23 = 7,979,030.61 : x
  2. Step 2: Convert to fraction form
    10,922,518.70/15,078,742.23 = 7,979,030.61/x
  3. Step 3: Cross multiply
    10,922,518.70x = 15,078,742.23 × 7,979,030.61
  4. Step 4: Simplify right side
    10,922,518.70x = 120,313,745,813,469.67
  5. Step 5: Solve for x
    x = 120,313,745,813,469.67/10,922,518.70
  6. Step 6: Final answer
    x = 11,015,201.63

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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.