Home / 20,027,879.64-30,054,154.14-7,895,278.44

Finding the Fourth Proportional to 20,027,879.64, 30,054,154.14 and 7,895,278.44

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Solution

The fourth proportional to 20,027,879.64, 30,054,154.14 and 7,895,278.44 is: 11,847,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,879.64 : 30,054,154.14 = 7,895,278.44 : x
  2. Step 2: Convert to fraction form
    20,027,879.64/30,054,154.14 = 7,895,278.44/x
  3. Step 3: Cross multiply
    20,027,879.64x = 30,054,154.14 × 7,895,278.44
  4. Step 4: Simplify right side
    20,027,879.64x = 237,285,915,213,978.75
  5. Step 5: Solve for x
    x = 237,285,915,213,978.75/20,027,879.64
  6. Step 6: Final answer
    x = 11,847,780.17

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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.