Home / 20,199,188.46-27,875,057.10-11,497,920.54

Finding the Fourth Proportional to 20,199,188.46, 27,875,057.10 and 11,497,920.54

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Solution

The fourth proportional to 20,199,188.46, 27,875,057.10 and 11,497,920.54 is: 15,867,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,188.46 : 27,875,057.10 = 11,497,920.54 : x
  2. Step 2: Convert to fraction form
    20,199,188.46/27,875,057.10 = 11,497,920.54/x
  3. Step 3: Cross multiply
    20,199,188.46x = 27,875,057.10 × 11,497,920.54
  4. Step 4: Simplify right side
    20,199,188.46x = 320,505,191,583,762.81
  5. Step 5: Solve for x
    x = 320,505,191,583,762.81/20,199,188.46
  6. Step 6: Final answer
    x = 15,867,231.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.