Home / 13,770,809.55-20,655,466.74-4,185,440.73

Finding the Fourth Proportional to 13,770,809.55, 20,655,466.74 and 4,185,440.73

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Solution

The fourth proportional to 13,770,809.55, 20,655,466.74 and 4,185,440.73 is: 6,277,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,809.55 : 20,655,466.74 = 4,185,440.73 : x
  2. Step 2: Convert to fraction form
    13,770,809.55/20,655,466.74 = 4,185,440.73/x
  3. Step 3: Cross multiply
    13,770,809.55x = 20,655,466.74 × 4,185,440.73
  4. Step 4: Simplify right side
    13,770,809.55x = 86,452,231,790,756.31
  5. Step 5: Solve for x
    x = 86,452,231,790,756.31/13,770,809.55
  6. Step 6: Final answer
    x = 6,277,933.88

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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.