Home / 29,015,942.48-40,042,000.32-15,962,921

Finding the Fourth Proportional to 29,015,942.48, 40,042,000.32 and 15,962,921

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Solution

The fourth proportional to 29,015,942.48, 40,042,000.32 and 15,962,921 is: 22,028,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,015,942.48 : 40,042,000.32 = 15,962,921 : x
  2. Step 2: Convert to fraction form
    29,015,942.48/40,042,000.32 = 15,962,921/x
  3. Step 3: Cross multiply
    29,015,942.48x = 40,042,000.32 × 15,962,921
  4. Step 4: Simplify right side
    29,015,942.48x = 639,187,287,790,134.75
  5. Step 5: Solve for x
    x = 639,187,287,790,134.75/29,015,942.48
  6. Step 6: Final answer
    x = 22,028,830.81

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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.