Home / 7,912,983.24-11,851,016.58-5,777,771.40

Finding the Fourth Proportional to 7,912,983.24, 11,851,016.58 and 5,777,771.40

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Solution

The fourth proportional to 7,912,983.24, 11,851,016.58 and 5,777,771.40 is: 8,653,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,983.24 : 11,851,016.58 = 5,777,771.40 : x
  2. Step 2: Convert to fraction form
    7,912,983.24/11,851,016.58 = 5,777,771.40/x
  3. Step 3: Cross multiply
    7,912,983.24x = 11,851,016.58 × 5,777,771.40
  4. Step 4: Simplify right side
    7,912,983.24x = 68,472,464,656,849.82
  5. Step 5: Solve for x
    x = 68,472,464,656,849.82/7,912,983.24
  6. Step 6: Final answer
    x = 8,653,179.54

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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.