Home / 7,689,969.75-11,537,481.87-3,144,841.86

Finding the Fourth Proportional to 7,689,969.75, 11,537,481.87 and 3,144,841.86

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Solution

The fourth proportional to 7,689,969.75, 11,537,481.87 and 3,144,841.86 is: 4,718,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,969.75 : 11,537,481.87 = 3,144,841.86 : x
  2. Step 2: Convert to fraction form
    7,689,969.75/11,537,481.87 = 3,144,841.86/x
  3. Step 3: Cross multiply
    7,689,969.75x = 11,537,481.87 × 3,144,841.86
  4. Step 4: Simplify right side
    7,689,969.75x = 36,283,555,943,767.07
  5. Step 5: Solve for x
    x = 36,283,555,943,767.07/7,689,969.75
  6. Step 6: Final answer
    x = 4,718,296.32

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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.