Home / 7,199,396.83-9,935,261.85-3,936,215.31

Finding the Fourth Proportional to 7,199,396.83, 9,935,261.85 and 3,936,215.31

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Solution

The fourth proportional to 7,199,396.83, 9,935,261.85 and 3,936,215.31 is: 5,432,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,396.83 : 9,935,261.85 = 3,936,215.31 : x
  2. Step 2: Convert to fraction form
    7,199,396.83/9,935,261.85 = 3,936,215.31/x
  3. Step 3: Cross multiply
    7,199,396.83x = 9,935,261.85 × 3,936,215.31
  4. Step 4: Simplify right side
    7,199,396.83x = 39,107,329,802,828.92
  5. Step 5: Solve for x
    x = 39,107,329,802,828.92/7,199,396.83
  6. Step 6: Final answer
    x = 5,432,028.64

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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.