Home / 20,142,936.55-30,223,333.87-10,556,034.94

Finding the Fourth Proportional to 20,142,936.55, 30,223,333.87 and 10,556,034.94

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Solution

The fourth proportional to 20,142,936.55, 30,223,333.87 and 10,556,034.94 is: 15,838,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,936.55 : 30,223,333.87 = 10,556,034.94 : x
  2. Step 2: Convert to fraction form
    20,142,936.55/30,223,333.87 = 10,556,034.94/x
  3. Step 3: Cross multiply
    20,142,936.55x = 30,223,333.87 × 10,556,034.94
  4. Step 4: Simplify right side
    20,142,936.55x = 319,038,568,416,540.75
  5. Step 5: Solve for x
    x = 319,038,568,416,540.75/20,142,936.55
  6. Step 6: Final answer
    x = 15,838,731.73

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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.