Home / 11,015,589.94-15,210,691.52-9,189,619.70

Finding the Fourth Proportional to 11,015,589.94, 15,210,691.52 and 9,189,619.70

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Solution

The fourth proportional to 11,015,589.94, 15,210,691.52 and 9,189,619.70 is: 12,689,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015,589.94 : 15,210,691.52 = 9,189,619.70 : x
  2. Step 2: Convert to fraction form
    11,015,589.94/15,210,691.52 = 9,189,619.70/x
  3. Step 3: Cross multiply
    11,015,589.94x = 15,210,691.52 × 9,189,619.70
  4. Step 4: Simplify right side
    11,015,589.94x = 139,780,470,320,813.39
  5. Step 5: Solve for x
    x = 139,780,470,320,813.39/11,015,589.94
  6. Step 6: Final answer
    x = 12,689,331.31

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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.