Home / 20,063,299.19-30,043,859.51-13,219,122.77

Finding the Fourth Proportional to 20,063,299.19, 30,043,859.51 and 13,219,122.77

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Solution

The fourth proportional to 20,063,299.19, 30,043,859.51 and 13,219,122.77 is: 19,795,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,299.19 : 30,043,859.51 = 13,219,122.77 : x
  2. Step 2: Convert to fraction form
    20,063,299.19/30,043,859.51 = 13,219,122.77/x
  3. Step 3: Cross multiply
    20,063,299.19x = 30,043,859.51 × 13,219,122.77
  4. Step 4: Simplify right side
    20,063,299.19x = 397,153,467,230,150.56
  5. Step 5: Solve for x
    x = 397,153,467,230,150.56/20,063,299.19
  6. Step 6: Final answer
    x = 19,795,022.91

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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.