Home / 7,159,033.57-9,879,467.94-3,939,769.57

Finding the Fourth Proportional to 7,159,033.57, 9,879,467.94 and 3,939,769.57

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Solution

The fourth proportional to 7,159,033.57, 9,879,467.94 and 3,939,769.57 is: 5,436,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159,033.57 : 9,879,467.94 = 3,939,769.57 : x
  2. Step 2: Convert to fraction form
    7,159,033.57/9,879,467.94 = 3,939,769.57/x
  3. Step 3: Cross multiply
    7,159,033.57x = 9,879,467.94 × 3,939,769.57
  4. Step 4: Simplify right side
    7,159,033.57x = 38,922,827,138,103.74
  5. Step 5: Solve for x
    x = 38,922,827,138,103.74/7,159,033.57
  6. Step 6: Final answer
    x = 5,436,882.89

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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.