Home / 13,609,850.10-20,414,775.15-6,807,405.30

Finding the Fourth Proportional to 13,609,850.10, 20,414,775.15 and 6,807,405.30

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Solution

The fourth proportional to 13,609,850.10, 20,414,775.15 and 6,807,405.30 is: 10,211,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,850.10 : 20,414,775.15 = 6,807,405.30 : x
  2. Step 2: Convert to fraction form
    13,609,850.10/20,414,775.15 = 6,807,405.30/x
  3. Step 3: Cross multiply
    13,609,850.10x = 20,414,775.15 × 6,807,405.30
  4. Step 4: Simplify right side
    13,609,850.10x = 138,971,648,554,418.28
  5. Step 5: Solve for x
    x = 138,971,648,554,418.28/13,609,850.10
  6. Step 6: Final answer
    x = 10,211,107.95

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1.5x scale

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.