Home / 20,201,952.42-27,875,635.65-11,380,142.52

Finding the Fourth Proportional to 20,201,952.42, 27,875,635.65 and 11,380,142.52

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Solution

The fourth proportional to 20,201,952.42, 27,875,635.65 and 11,380,142.52 is: 15,702,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201,952.42 : 27,875,635.65 = 11,380,142.52 : x
  2. Step 2: Convert to fraction form
    20,201,952.42/27,875,635.65 = 11,380,142.52/x
  3. Step 3: Cross multiply
    20,201,952.42x = 27,875,635.65 × 11,380,142.52
  4. Step 4: Simplify right side
    20,201,952.42x = 317,228,706,532,592.81
  5. Step 5: Solve for x
    x = 317,228,706,532,592.81/20,201,952.42
  6. Step 6: Final answer
    x = 15,702,873.66

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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.