Home / 20,451,725.14-28,223,971.56-11,284,958.38

Finding the Fourth Proportional to 20,451,725.14, 28,223,971.56 and 11,284,958.38

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Solution

The fourth proportional to 20,451,725.14, 28,223,971.56 and 11,284,958.38 is: 15,573,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451,725.14 : 28,223,971.56 = 11,284,958.38 : x
  2. Step 2: Convert to fraction form
    20,451,725.14/28,223,971.56 = 11,284,958.38/x
  3. Step 3: Cross multiply
    20,451,725.14x = 28,223,971.56 × 11,284,958.38
  4. Step 4: Simplify right side
    20,451,725.14x = 318,506,344,372,903.69
  5. Step 5: Solve for x
    x = 318,506,344,372,903.69/20,451,725.14
  6. Step 6: Final answer
    x = 15,573,568.60

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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.