Home / 6,809,859.21-9,397,709.97-3,712,384.38

Finding the Fourth Proportional to 6,809,859.21, 9,397,709.97 and 3,712,384.38

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Solution

The fourth proportional to 6,809,859.21, 9,397,709.97 and 3,712,384.38 is: 5,123,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809,859.21 : 9,397,709.97 = 3,712,384.38 : x
  2. Step 2: Convert to fraction form
    6,809,859.21/9,397,709.97 = 3,712,384.38/x
  3. Step 3: Cross multiply
    6,809,859.21x = 9,397,709.97 × 3,712,384.38
  4. Step 4: Simplify right side
    6,809,859.21x = 34,887,911,700,398.27
  5. Step 5: Solve for x
    x = 34,887,911,700,398.27/6,809,859.21
  6. Step 6: Final answer
    x = 5,123,147.28

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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.