Home / 11,209,563.40-16,812,012.30-3,120,449.80

Finding the Fourth Proportional to 11,209,563.40, 16,812,012.30 and 3,120,449.80

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Solution

The fourth proportional to 11,209,563.40, 16,812,012.30 and 3,120,449.80 is: 4,680,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209,563.40 : 16,812,012.30 = 3,120,449.80 : x
  2. Step 2: Convert to fraction form
    11,209,563.40/16,812,012.30 = 3,120,449.80/x
  3. Step 3: Cross multiply
    11,209,563.40x = 16,812,012.30 × 3,120,449.80
  4. Step 4: Simplify right side
    11,209,563.40x = 52,461,040,419,132.54
  5. Step 5: Solve for x
    x = 52,461,040,419,132.54/11,209,563.40
  6. Step 6: Final answer
    x = 4,680,025.31

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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.