Home / 20,231,425.96-30,350,881.30-6,401,866.60

Finding the Fourth Proportional to 20,231,425.96, 30,350,881.30 and 6,401,866.60

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Solution

The fourth proportional to 20,231,425.96, 30,350,881.30 and 6,401,866.60 is: 9,603,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,425.96 : 30,350,881.30 = 6,401,866.60 : x
  2. Step 2: Convert to fraction form
    20,231,425.96/30,350,881.30 = 6,401,866.60/x
  3. Step 3: Cross multiply
    20,231,425.96x = 30,350,881.30 × 6,401,866.60
  4. Step 4: Simplify right side
    20,231,425.96x = 194,302,293,275,034.56
  5. Step 5: Solve for x
    x = 194,302,293,275,034.56/20,231,425.96
  6. Step 6: Final answer
    x = 9,603,984.10

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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.