Home / 8,965,163.28-12,372,121.80-4,890,779.04

Finding the Fourth Proportional to 8,965,163.28, 12,372,121.80 and 4,890,779.04

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Solution

The fourth proportional to 8,965,163.28, 12,372,121.80 and 4,890,779.04 is: 6,749,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965,163.28 : 12,372,121.80 = 4,890,779.04 : x
  2. Step 2: Convert to fraction form
    8,965,163.28/12,372,121.80 = 4,890,779.04/x
  3. Step 3: Cross multiply
    8,965,163.28x = 12,372,121.80 × 4,890,779.04
  4. Step 4: Simplify right side
    8,965,163.28x = 60,509,313,979,767.08
  5. Step 5: Solve for x
    x = 60,509,313,979,767.08/8,965,163.28
  6. Step 6: Final answer
    x = 6,749,382.26

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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.