Home / 20,147,887.20-30,212,914.32-5,767,678.56

Finding the Fourth Proportional to 20,147,887.20, 30,212,914.32 and 5,767,678.56

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Solution

The fourth proportional to 20,147,887.20, 30,212,914.32 and 5,767,678.56 is: 8,648,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,887.20 : 30,212,914.32 = 5,767,678.56 : x
  2. Step 2: Convert to fraction form
    20,147,887.20/30,212,914.32 = 5,767,678.56/x
  3. Step 3: Cross multiply
    20,147,887.20x = 30,212,914.32 × 5,767,678.56
  4. Step 4: Simplify right side
    20,147,887.20x = 174,258,378,158,580.97
  5. Step 5: Solve for x
    x = 174,258,378,158,580.97/20,147,887.20
  6. Step 6: Final answer
    x = 8,648,965.34

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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.