Home / 7,978,063.14-11,010,139.25-4,879,614.42

Finding the Fourth Proportional to 7,978,063.14, 11,010,139.25 and 4,879,614.42

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Solution

The fourth proportional to 7,978,063.14, 11,010,139.25 and 4,879,614.42 is: 6,734,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,063.14 : 11,010,139.25 = 4,879,614.42 : x
  2. Step 2: Convert to fraction form
    7,978,063.14/11,010,139.25 = 4,879,614.42/x
  3. Step 3: Cross multiply
    7,978,063.14x = 11,010,139.25 × 4,879,614.42
  4. Step 4: Simplify right side
    7,978,063.14x = 53,725,234,226,109.91
  5. Step 5: Solve for x
    x = 53,725,234,226,109.91/7,978,063.14
  6. Step 6: Final answer
    x = 6,734,119.96

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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.