Home / 6,912,349.30-10,368,523.95-2,120,778.10

Finding the Fourth Proportional to 6,912,349.30, 10,368,523.95 and 2,120,778.10

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Solution

The fourth proportional to 6,912,349.30, 10,368,523.95 and 2,120,778.10 is: 3,181,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,349.30 : 10,368,523.95 = 2,120,778.10 : x
  2. Step 2: Convert to fraction form
    6,912,349.30/10,368,523.95 = 2,120,778.10/x
  3. Step 3: Cross multiply
    6,912,349.30x = 10,368,523.95 × 2,120,778.10
  4. Step 4: Simplify right side
    6,912,349.30x = 21,989,338,522,485.50
  5. Step 5: Solve for x
    x = 21,989,338,522,485.50/6,912,349.30
  6. Step 6: Final answer
    x = 3,181,167.15

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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.