Home / 20,199,181.32-27,875,047.25-11,497,913.42

Finding the Fourth Proportional to 20,199,181.32, 27,875,047.25 and 11,497,913.42

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Solution

The fourth proportional to 20,199,181.32, 27,875,047.25 and 11,497,913.42 is: 15,867,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,181.32 : 27,875,047.25 = 11,497,913.42 : x
  2. Step 2: Convert to fraction form
    20,199,181.32/27,875,047.25 = 11,497,913.42/x
  3. Step 3: Cross multiply
    20,199,181.32x = 27,875,047.25 × 11,497,913.42
  4. Step 4: Simplify right side
    20,199,181.32x = 320,504,879,748,278.62
  5. Step 5: Solve for x
    x = 320,504,879,748,278.62/20,199,181.32
  6. Step 6: Final answer
    x = 15,867,221.28

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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.