Home / 20,093,922.29-30,102,852.11-11,871,976.59

Finding the Fourth Proportional to 20,093,922.29, 30,102,852.11 and 11,871,976.59

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Solution

The fourth proportional to 20,093,922.29, 30,102,852.11 and 11,871,976.59 is: 17,785,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093,922.29 : 30,102,852.11 = 11,871,976.59 : x
  2. Step 2: Convert to fraction form
    20,093,922.29/30,102,852.11 = 11,871,976.59/x
  3. Step 3: Cross multiply
    20,093,922.29x = 30,102,852.11 × 11,871,976.59
  4. Step 4: Simplify right side
    20,093,922.29x = 357,380,355,369,906.50
  5. Step 5: Solve for x
    x = 357,380,355,369,906.50/20,093,922.29
  6. Step 6: Final answer
    x = 17,785,495.05

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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.