Home / 30,318,175.20-45,479,231.10-15,969,268.20

Finding the Fourth Proportional to 30,318,175.20, 45,479,231.10 and 15,969,268.20

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Solution

The fourth proportional to 30,318,175.20, 45,479,231.10 and 15,969,268.20 is: 23,954,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318,175.20 : 45,479,231.10 = 15,969,268.20 : x
  2. Step 2: Convert to fraction form
    30,318,175.20/45,479,231.10 = 15,969,268.20/x
  3. Step 3: Cross multiply
    30,318,175.20x = 45,479,231.10 × 15,969,268.20
  4. Step 4: Simplify right side
    30,318,175.20x = 726,270,038,965,681
  5. Step 5: Solve for x
    x = 726,270,038,965,681/30,318,175.20
  6. Step 6: Final answer
    x = 23,954,939.05

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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.