Home / 13,363,568.42-18,441,736.25-7,251,996.92

Finding the Fourth Proportional to 13,363,568.42, 18,441,736.25 and 7,251,996.92

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Solution

The fourth proportional to 13,363,568.42, 18,441,736.25 and 7,251,996.92 is: 10,007,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363,568.42 : 18,441,736.25 = 7,251,996.92 : x
  2. Step 2: Convert to fraction form
    13,363,568.42/18,441,736.25 = 7,251,996.92/x
  3. Step 3: Cross multiply
    13,363,568.42x = 18,441,736.25 × 7,251,996.92
  4. Step 4: Simplify right side
    13,363,568.42x = 133,739,414,355,983.69
  5. Step 5: Solve for x
    x = 133,739,414,355,983.69/13,363,568.42
  6. Step 6: Final answer
    x = 10,007,762.16

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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.