Home / 15,197,334.40-20,972,286.48-8,321,756.32

Finding the Fourth Proportional to 15,197,334.40, 20,972,286.48 and 8,321,756.32

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Solution

The fourth proportional to 15,197,334.40, 20,972,286.48 and 8,321,756.32 is: 11,484,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197,334.40 : 20,972,286.48 = 8,321,756.32 : x
  2. Step 2: Convert to fraction form
    15,197,334.40/20,972,286.48 = 8,321,756.32/x
  3. Step 3: Cross multiply
    15,197,334.40x = 20,972,286.48 × 8,321,756.32
  4. Step 4: Simplify right side
    15,197,334.40x = 174,526,257,559,790.56
  5. Step 5: Solve for x
    x = 174,526,257,559,790.56/15,197,334.40
  6. Step 6: Final answer
    x = 11,484,004.56

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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.