Home / 9,940,313.20-14,890,983.60-5,151,144.04

Finding the Fourth Proportional to 9,940,313.20, 14,890,983.60 and 5,151,144.04

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Solution

The fourth proportional to 9,940,313.20, 14,890,983.60 and 5,151,144.04 is: 7,716,618.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940,313.20 : 14,890,983.60 = 5,151,144.04 : x
  2. Step 2: Convert to fraction form
    9,940,313.20/14,890,983.60 = 5,151,144.04/x
  3. Step 3: Cross multiply
    9,940,313.20x = 14,890,983.60 × 5,151,144.04
  4. Step 4: Simplify right side
    9,940,313.20x = 76,705,601,420,877.75
  5. Step 5: Solve for x
    x = 76,705,601,420,877.75/9,940,313.20
  6. Step 6: Final answer
    x = 7,716,618.17

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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.