Home / 13,691,887.92-20,507,559.62-9,363,680.91

Finding the Fourth Proportional to 13,691,887.92, 20,507,559.62 and 9,363,680.91

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Solution

The fourth proportional to 13,691,887.92, 20,507,559.62 and 9,363,680.91 is: 14,024,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,887.92 : 20,507,559.62 = 9,363,680.91 : x
  2. Step 2: Convert to fraction form
    13,691,887.92/20,507,559.62 = 9,363,680.91/x
  3. Step 3: Cross multiply
    13,691,887.92x = 20,507,559.62 × 9,363,680.91
  4. Step 4: Simplify right side
    13,691,887.92x = 192,026,244,477,662.44
  5. Step 5: Solve for x
    x = 192,026,244,477,662.44/13,691,887.92
  6. Step 6: Final answer
    x = 14,024,818.61

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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.