Home / 7,207,166.26-9,945,890.08-3,943,980.82

Finding the Fourth Proportional to 7,207,166.26, 9,945,890.08 and 3,943,980.82

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Solution

The fourth proportional to 7,207,166.26, 9,945,890.08 and 3,943,980.82 is: 5,442,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,166.26 : 9,945,890.08 = 3,943,980.82 : x
  2. Step 2: Convert to fraction form
    7,207,166.26/9,945,890.08 = 3,943,980.82/x
  3. Step 3: Cross multiply
    7,207,166.26x = 9,945,890.08 × 3,943,980.82
  4. Step 4: Simplify right side
    7,207,166.26x = 39,226,399,713,348.27
  5. Step 5: Solve for x
    x = 39,226,399,713,348.27/7,207,166.26
  6. Step 6: Final answer
    x = 5,442,693.88

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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.