Home / 6,939,942.78-9,577,420.38-3,842,466.15

Finding the Fourth Proportional to 6,939,942.78, 9,577,420.38 and 3,842,466.15

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Solution

The fourth proportional to 6,939,942.78, 9,577,420.38 and 3,842,466.15 is: 5,302,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939,942.78 : 9,577,420.38 = 3,842,466.15 : x
  2. Step 2: Convert to fraction form
    6,939,942.78/9,577,420.38 = 3,842,466.15/x
  3. Step 3: Cross multiply
    6,939,942.78x = 9,577,420.38 × 3,842,466.15
  4. Step 4: Simplify right side
    6,939,942.78x = 36,800,913,614,470.14
  5. Step 5: Solve for x
    x = 36,800,913,614,470.14/6,939,942.78
  6. Step 6: Final answer
    x = 5,302,769.03

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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.