Home / 28,676,679.20-43,019,262.96-9,239,390.96

Finding the Fourth Proportional to 28,676,679.20, 43,019,262.96 and 9,239,390.96

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Solution

The fourth proportional to 28,676,679.20, 43,019,262.96 and 9,239,390.96 is: 13,860,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676,679.20 : 43,019,262.96 = 9,239,390.96 : x
  2. Step 2: Convert to fraction form
    28,676,679.20/43,019,262.96 = 9,239,390.96/x
  3. Step 3: Cross multiply
    28,676,679.20x = 43,019,262.96 × 9,239,390.96
  4. Step 4: Simplify right side
    28,676,679.20x = 397,471,789,298,486.88
  5. Step 5: Solve for x
    x = 397,471,789,298,486.88/28,676,679.20
  6. Step 6: Final answer
    x = 13,860,453.87

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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.