Home / 11,518,997.87-17,271,812.12-5,453,678.72

Finding the Fourth Proportional to 11,518,997.87, 17,271,812.12 and 5,453,678.72

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Solution

The fourth proportional to 11,518,997.87, 17,271,812.12 and 5,453,678.72 is: 8,177,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518,997.87 : 17,271,812.12 = 5,453,678.72 : x
  2. Step 2: Convert to fraction form
    11,518,997.87/17,271,812.12 = 5,453,678.72/x
  3. Step 3: Cross multiply
    11,518,997.87x = 17,271,812.12 × 5,453,678.72
  4. Step 4: Simplify right side
    11,518,997.87x = 94,194,914,101,054.62
  5. Step 5: Solve for x
    x = 94,194,914,101,054.62/11,518,997.87
  6. Step 6: Final answer
    x = 8,177,353.20

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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.