Home / 9,739,439.34-13,440,821.92-5,388,454.79

Finding the Fourth Proportional to 9,739,439.34, 13,440,821.92 and 5,388,454.79

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Solution

The fourth proportional to 9,739,439.34, 13,440,821.92 and 5,388,454.79 is: 7,436,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739,439.34 : 13,440,821.92 = 5,388,454.79 : x
  2. Step 2: Convert to fraction form
    9,739,439.34/13,440,821.92 = 5,388,454.79/x
  3. Step 3: Cross multiply
    9,739,439.34x = 13,440,821.92 × 5,388,454.79
  4. Step 4: Simplify right side
    9,739,439.34x = 72,425,261,175,685.75
  5. Step 5: Solve for x
    x = 72,425,261,175,685.75/9,739,439.34
  6. Step 6: Final answer
    x = 7,436,286.49

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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.