Home / 30,247,226.20-45,329,367.30-19,431,328.60

Finding the Fourth Proportional to 30,247,226.20, 45,329,367.30 and 19,431,328.60

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Solution

The fourth proportional to 30,247,226.20, 45,329,367.30 and 19,431,328.60 is: 29,120,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247,226.20 : 45,329,367.30 = 19,431,328.60 : x
  2. Step 2: Convert to fraction form
    30,247,226.20/45,329,367.30 = 19,431,328.60/x
  3. Step 3: Cross multiply
    30,247,226.20x = 45,329,367.30 × 19,431,328.60
  4. Step 4: Simplify right side
    30,247,226.20x = 880,809,831,236,394.75
  5. Step 5: Solve for x
    x = 880,809,831,236,394.75/30,247,226.20
  6. Step 6: Final answer
    x = 29,120,350.59

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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.