Home / 20,910,554.45-31,353,652.81-8,116,112.37

Finding the Fourth Proportional to 20,910,554.45, 31,353,652.81 and 8,116,112.37

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Solution

The fourth proportional to 20,910,554.45, 31,353,652.81 and 8,116,112.37 is: 12,169,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,910,554.45 : 31,353,652.81 = 8,116,112.37 : x
  2. Step 2: Convert to fraction form
    20,910,554.45/31,353,652.81 = 8,116,112.37/x
  3. Step 3: Cross multiply
    20,910,554.45x = 31,353,652.81 × 8,116,112.37
  4. Step 4: Simplify right side
    20,910,554.45x = 254,469,769,395,636
  5. Step 5: Solve for x
    x = 254,469,769,395,636/20,910,554.45
  6. Step 6: Final answer
    x = 12,169,441.52

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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.