Home / 13,973,621.80-20,947,966.80-5,451,976.30

Finding the Fourth Proportional to 13,973,621.80, 20,947,966.80 and 5,451,976.30

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Solution

The fourth proportional to 13,973,621.80, 20,947,966.80 and 5,451,976.30 is: 8,173,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973,621.80 : 20,947,966.80 = 5,451,976.30 : x
  2. Step 2: Convert to fraction form
    13,973,621.80/20,947,966.80 = 5,451,976.30/x
  3. Step 3: Cross multiply
    13,973,621.80x = 20,947,966.80 × 5,451,976.30
  4. Step 4: Simplify right side
    13,973,621.80x = 114,207,818,526,786.84
  5. Step 5: Solve for x
    x = 114,207,818,526,786.84/13,973,621.80
  6. Step 6: Final answer
    x = 8,173,100.73

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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.