Home / 20,236,811.60-30,344,719.80-7,450,734.80

Finding the Fourth Proportional to 20,236,811.60, 30,344,719.80 and 7,450,734.80

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Solution

The fourth proportional to 20,236,811.60, 30,344,719.80 and 7,450,734.80 is: 11,172,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,811.60 : 30,344,719.80 = 7,450,734.80 : x
  2. Step 2: Convert to fraction form
    20,236,811.60/30,344,719.80 = 7,450,734.80/x
  3. Step 3: Cross multiply
    20,236,811.60x = 30,344,719.80 × 7,450,734.80
  4. Step 4: Simplify right side
    20,236,811.60x = 226,090,459,810,109.03
  5. Step 5: Solve for x
    x = 226,090,459,810,109.03/20,236,811.60
  6. Step 6: Final answer
    x = 11,172,237.22

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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.