Home / 7,128,095.10-10,691,605.53-2,270,205.66

Finding the Fourth Proportional to 7,128,095.10, 10,691,605.53 and 2,270,205.66

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Solution

The fourth proportional to 7,128,095.10, 10,691,605.53 and 2,270,205.66 is: 3,405,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,095.10 : 10,691,605.53 = 2,270,205.66 : x
  2. Step 2: Convert to fraction form
    7,128,095.10/10,691,605.53 = 2,270,205.66/x
  3. Step 3: Cross multiply
    7,128,095.10x = 10,691,605.53 × 2,270,205.66
  4. Step 4: Simplify right side
    7,128,095.10x = 24,272,143,388,693.30
  5. Step 5: Solve for x
    x = 24,272,143,388,693.30/7,128,095.10
  6. Step 6: Final answer
    x = 3,405,137.42

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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.