Home / 17,320,620.30-25,980,930.45-13,289,541.90

Finding the Fourth Proportional to 17,320,620.30, 25,980,930.45 and 13,289,541.90

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Solution

The fourth proportional to 17,320,620.30, 25,980,930.45 and 13,289,541.90 is: 19,934,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320,620.30 : 25,980,930.45 = 13,289,541.90 : x
  2. Step 2: Convert to fraction form
    17,320,620.30/25,980,930.45 = 13,289,541.90/x
  3. Step 3: Cross multiply
    17,320,620.30x = 25,980,930.45 × 13,289,541.90
  4. Step 4: Simplify right side
    17,320,620.30x = 345,274,663,816,260.88
  5. Step 5: Solve for x
    x = 345,274,663,816,260.88/17,320,620.30
  6. Step 6: Final answer
    x = 19,934,312.85

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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.