Home / 13,356,610.56-20,030,976-5,680,240.56

Finding the Fourth Proportional to 13,356,610.56, 20,030,976 and 5,680,240.56

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Solution

The fourth proportional to 13,356,610.56, 20,030,976 and 5,680,240.56 is: 8,518,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356,610.56 : 20,030,976 = 5,680,240.56 : x
  2. Step 2: Convert to fraction form
    13,356,610.56/20,030,976 = 5,680,240.56/x
  3. Step 3: Cross multiply
    13,356,610.56x = 20,030,976 × 5,680,240.56
  4. Step 4: Simplify right side
    13,356,610.56x = 113,780,762,331,586.55
  5. Step 5: Solve for x
    x = 113,780,762,331,586.55/13,356,610.56
  6. Step 6: Final answer
    x = 8,518,685.32

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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.