Home / 21,029,639.83-31,558,550.28-7,382,826.75

Finding the Fourth Proportional to 21,029,639.83, 31,558,550.28 and 7,382,826.75

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Solution

The fourth proportional to 21,029,639.83, 31,558,550.28 and 7,382,826.75 is: 11,079,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029,639.83 : 31,558,550.28 = 7,382,826.75 : x
  2. Step 2: Convert to fraction form
    21,029,639.83/31,558,550.28 = 7,382,826.75/x
  3. Step 3: Cross multiply
    21,029,639.83x = 31,558,550.28 × 7,382,826.75
  4. Step 4: Simplify right side
    21,029,639.83x = 232,991,309,198,404
  5. Step 5: Solve for x
    x = 232,991,309,198,404/21,029,639.83
  6. Step 6: Final answer
    x = 11,079,186.86

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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.