Home / 30,530,321.74-45,795,249.33-7,811,182.54

Finding the Fourth Proportional to 30,530,321.74, 45,795,249.33 and 7,811,182.54

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Solution

The fourth proportional to 30,530,321.74, 45,795,249.33 and 7,811,182.54 is: 11,716,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530,321.74 : 45,795,249.33 = 7,811,182.54 : x
  2. Step 2: Convert to fraction form
    30,530,321.74/45,795,249.33 = 7,811,182.54/x
  3. Step 3: Cross multiply
    30,530,321.74x = 45,795,249.33 × 7,811,182.54
  4. Step 4: Simplify right side
    30,530,321.74x = 357,715,051,981,442.69
  5. Step 5: Solve for x
    x = 357,715,051,981,442.69/30,530,321.74
  6. Step 6: Final answer
    x = 11,716,714.13

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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.