Home / 6,457,136.20-8,910,908.23-3,556,537.72

Finding the Fourth Proportional to 6,457,136.20, 8,910,908.23 and 3,556,537.72

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Solution

The fourth proportional to 6,457,136.20, 8,910,908.23 and 3,556,537.72 is: 4,908,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,136.20 : 8,910,908.23 = 3,556,537.72 : x
  2. Step 2: Convert to fraction form
    6,457,136.20/8,910,908.23 = 3,556,537.72/x
  3. Step 3: Cross multiply
    6,457,136.20x = 8,910,908.23 × 3,556,537.72
  4. Step 4: Simplify right side
    6,457,136.20x = 31,691,981,239,453.44
  5. Step 5: Solve for x
    x = 31,691,981,239,453.44/6,457,136.20
  6. Step 6: Final answer
    x = 4,908,055.25

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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.