Home / 14,517,919.39-21,776,879.08-5,420,727.42

Finding the Fourth Proportional to 14,517,919.39, 21,776,879.08 and 5,420,727.42

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Solution

The fourth proportional to 14,517,919.39, 21,776,879.08 and 5,420,727.42 is: 8,131,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517,919.39 : 21,776,879.08 = 5,420,727.42 : x
  2. Step 2: Convert to fraction form
    14,517,919.39/21,776,879.08 = 5,420,727.42/x
  3. Step 3: Cross multiply
    14,517,919.39x = 21,776,879.08 × 5,420,727.42
  4. Step 4: Simplify right side
    14,517,919.39x = 118,046,525,472,342.86
  5. Step 5: Solve for x
    x = 118,046,525,472,342.86/14,517,919.39
  6. Step 6: Final answer
    x = 8,131,091.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.