Home / 20,063,299.86-30,043,860.48-13,219,123.43

Finding the Fourth Proportional to 20,063,299.86, 30,043,860.48 and 13,219,123.43

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Solution

The fourth proportional to 20,063,299.86, 30,043,860.48 and 13,219,123.43 is: 19,795,023.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,299.86 : 30,043,860.48 = 13,219,123.43 : x
  2. Step 2: Convert to fraction form
    20,063,299.86/30,043,860.48 = 13,219,123.43/x
  3. Step 3: Cross multiply
    20,063,299.86x = 30,043,860.48 × 13,219,123.43
  4. Step 4: Simplify right side
    20,063,299.86x = 397,153,500,073,928.69
  5. Step 5: Solve for x
    x = 397,153,500,073,928.69/20,063,299.86
  6. Step 6: Final answer
    x = 19,795,023.89

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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.