Home / 7,542,369.72-10,408,706.28-4,279,321.80

Finding the Fourth Proportional to 7,542,369.72, 10,408,706.28 and 4,279,321.80

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Solution

The fourth proportional to 7,542,369.72, 10,408,706.28 and 4,279,321.80 is: 5,905,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542,369.72 : 10,408,706.28 = 4,279,321.80 : x
  2. Step 2: Convert to fraction form
    7,542,369.72/10,408,706.28 = 4,279,321.80/x
  3. Step 3: Cross multiply
    7,542,369.72x = 10,408,706.28 × 4,279,321.80
  4. Step 4: Simplify right side
    7,542,369.72x = 44,542,203,693,800.90
  5. Step 5: Solve for x
    x = 44,542,203,693,800.90/7,542,369.72
  6. Step 6: Final answer
    x = 5,905,598.02

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1.5x scale

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.