Home / 13,451,202.64-20,187,563.76-7,065,220.96

Finding the Fourth Proportional to 13,451,202.64, 20,187,563.76 and 7,065,220.96

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Solution

The fourth proportional to 13,451,202.64, 20,187,563.76 and 7,065,220.96 is: 10,603,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,202.64 : 20,187,563.76 = 7,065,220.96 : x
  2. Step 2: Convert to fraction form
    13,451,202.64/20,187,563.76 = 7,065,220.96/x
  3. Step 3: Cross multiply
    13,451,202.64x = 20,187,563.76 × 7,065,220.96
  4. Step 4: Simplify right side
    13,451,202.64x = 142,629,598,608,488.41
  5. Step 5: Solve for x
    x = 142,629,598,608,488.41/13,451,202.64
  6. Step 6: Final answer
    x = 10,603,483.01

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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.