Home / 7,900,537.07-11,850,805.61-2,220,761.39

Finding the Fourth Proportional to 7,900,537.07, 11,850,805.61 and 2,220,761.39

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Solution

The fourth proportional to 7,900,537.07, 11,850,805.61 and 2,220,761.39 is: 3,331,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900,537.07 : 11,850,805.61 = 2,220,761.39 : x
  2. Step 2: Convert to fraction form
    7,900,537.07/11,850,805.61 = 2,220,761.39/x
  3. Step 3: Cross multiply
    7,900,537.07x = 11,850,805.61 × 2,220,761.39
  4. Step 4: Simplify right side
    7,900,537.07x = 26,317,811,485,381.27
  5. Step 5: Solve for x
    x = 26,317,811,485,381.27/7,900,537.07
  6. Step 6: Final answer
    x = 3,331,142.08

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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.