Home / 20,063,298.06-30,043,857.83-13,219,121.64

Finding the Fourth Proportional to 20,063,298.06, 30,043,857.83 and 13,219,121.64

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Solution

The fourth proportional to 20,063,298.06, 30,043,857.83 and 13,219,121.64 is: 19,795,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,298.06 : 30,043,857.83 = 13,219,121.64 : x
  2. Step 2: Convert to fraction form
    20,063,298.06/30,043,857.83 = 13,219,121.64/x
  3. Step 3: Cross multiply
    20,063,298.06x = 30,043,857.83 × 13,219,121.64
  4. Step 4: Simplify right side
    20,063,298.06x = 397,153,411,123,540.81
  5. Step 5: Solve for x
    x = 397,153,411,123,540.81/20,063,298.06
  6. Step 6: Final answer
    x = 19,795,021.23

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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.