Home / 8,156,790.09-11,256,145.83-4,485,706.65

Finding the Fourth Proportional to 8,156,790.09, 11,256,145.83 and 4,485,706.65

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Solution

The fourth proportional to 8,156,790.09, 11,256,145.83 and 4,485,706.65 is: 6,190,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156,790.09 : 11,256,145.83 = 4,485,706.65 : x
  2. Step 2: Convert to fraction form
    8,156,790.09/11,256,145.83 = 4,485,706.65/x
  3. Step 3: Cross multiply
    8,156,790.09x = 11,256,145.83 × 4,485,706.65
  4. Step 4: Simplify right side
    8,156,790.09x = 50,491,768,203,000.77
  5. Step 5: Solve for x
    x = 50,491,768,203,000.77/8,156,790.09
  6. Step 6: Final answer
    x = 6,190,151.72

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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.