Home / 7,310,496.30-10,965,744.45-5,420,928.30

Finding the Fourth Proportional to 7,310,496.30, 10,965,744.45 and 5,420,928.30

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Solution

The fourth proportional to 7,310,496.30, 10,965,744.45 and 5,420,928.30 is: 8,131,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310,496.30 : 10,965,744.45 = 5,420,928.30 : x
  2. Step 2: Convert to fraction form
    7,310,496.30/10,965,744.45 = 5,420,928.30/x
  3. Step 3: Cross multiply
    7,310,496.30x = 10,965,744.45 × 5,420,928.30
  4. Step 4: Simplify right side
    7,310,496.30x = 59,444,514,419,572.93
  5. Step 5: Solve for x
    x = 59,444,514,419,572.93/7,310,496.30
  6. Step 6: Final answer
    x = 8,131,392.45

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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.