Home / 5,413,082.40-8,121,697.20-5,328,064.80

Finding the Fourth Proportional to 5,413,082.40, 8,121,697.20 and 5,328,064.80

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Solution

The fourth proportional to 5,413,082.40, 8,121,697.20 and 5,328,064.80 is: 7,994,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,082.40 : 8,121,697.20 = 5,328,064.80 : x
  2. Step 2: Convert to fraction form
    5,413,082.40/8,121,697.20 = 5,328,064.80/x
  3. Step 3: Cross multiply
    5,413,082.40x = 8,121,697.20 × 5,328,064.80
  4. Step 4: Simplify right side
    5,413,082.40x = 43,272,928,967,578.56
  5. Step 5: Solve for x
    x = 43,272,928,967,578.56/5,413,082.40
  6. Step 6: Final answer
    x = 7,994,138.23

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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.