Home / 20,236,811.10-30,344,719.05-7,450,734.30

Finding the Fourth Proportional to 20,236,811.10, 30,344,719.05 and 7,450,734.30

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Solution

The fourth proportional to 20,236,811.10, 30,344,719.05 and 7,450,734.30 is: 11,172,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,811.10 : 30,344,719.05 = 7,450,734.30 : x
  2. Step 2: Convert to fraction form
    20,236,811.10/30,344,719.05 = 7,450,734.30/x
  3. Step 3: Cross multiply
    20,236,811.10x = 30,344,719.05 × 7,450,734.30
  4. Step 4: Simplify right side
    20,236,811.10x = 226,090,439,049,698.41
  5. Step 5: Solve for x
    x = 226,090,439,049,698.41/20,236,811.10
  6. Step 6: Final answer
    x = 11,172,236.47

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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.