Home / 11,397,364.80-15,728,073.78-6,368,155.32

Finding the Fourth Proportional to 11,397,364.80, 15,728,073.78 and 6,368,155.32

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Solution

The fourth proportional to 11,397,364.80, 15,728,073.78 and 6,368,155.32 is: 8,787,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397,364.80 : 15,728,073.78 = 6,368,155.32 : x
  2. Step 2: Convert to fraction form
    11,397,364.80/15,728,073.78 = 6,368,155.32/x
  3. Step 3: Cross multiply
    11,397,364.80x = 15,728,073.78 × 6,368,155.32
  4. Step 4: Simplify right side
    11,397,364.80x = 100,158,816,715,459.52
  5. Step 5: Solve for x
    x = 100,158,816,715,459.52/11,397,364.80
  6. Step 6: Final answer
    x = 8,787,892.51

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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.