Home / 13,419,752.70-20,106,009.45-11,530,184.70

Finding the Fourth Proportional to 13,419,752.70, 20,106,009.45 and 11,530,184.70

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Solution

The fourth proportional to 13,419,752.70, 20,106,009.45 and 11,530,184.70 is: 17,274,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419,752.70 : 20,106,009.45 = 11,530,184.70 : x
  2. Step 2: Convert to fraction form
    13,419,752.70/20,106,009.45 = 11,530,184.70/x
  3. Step 3: Cross multiply
    13,419,752.70x = 20,106,009.45 × 11,530,184.70
  4. Step 4: Simplify right side
    13,419,752.70x = 231,826,002,538,445.41
  5. Step 5: Solve for x
    x = 231,826,002,538,445.41/13,419,752.70
  6. Step 6: Final answer
    x = 17,274,983.21

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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.