Home / 6,965,431.85-9,612,109.65-3,867,874.40

Finding the Fourth Proportional to 6,965,431.85, 9,612,109.65 and 3,867,874.40

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Solution

The fourth proportional to 6,965,431.85, 9,612,109.65 and 3,867,874.40 is: 5,337,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965,431.85 : 9,612,109.65 = 3,867,874.40 : x
  2. Step 2: Convert to fraction form
    6,965,431.85/9,612,109.65 = 3,867,874.40/x
  3. Step 3: Cross multiply
    6,965,431.85x = 9,612,109.65 × 3,867,874.40
  4. Step 4: Simplify right side
    6,965,431.85x = 37,178,432,797,167.41
  5. Step 5: Solve for x
    x = 37,178,432,797,167.41/6,965,431.85
  6. Step 6: Final answer
    x = 5,337,563.22

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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.