Home / 20,051,663.11-30,081,361.53-8,536,919.49

Finding the Fourth Proportional to 20,051,663.11, 30,081,361.53 and 8,536,919.49

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Solution

The fourth proportional to 20,051,663.11, 30,081,361.53 and 8,536,919.49 is: 12,807,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051,663.11 : 30,081,361.53 = 8,536,919.49 : x
  2. Step 2: Convert to fraction form
    20,051,663.11/30,081,361.53 = 8,536,919.49/x
  3. Step 3: Cross multiply
    20,051,663.11x = 30,081,361.53 × 8,536,919.49
  4. Step 4: Simplify right side
    20,051,663.11x = 256,802,161,338,101.78
  5. Step 5: Solve for x
    x = 256,802,161,338,101.78/20,051,663.11
  6. Step 6: Final answer
    x = 12,807,025.53

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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.