Home / 5,395,963.20-8,093,944.80-4,985,390.40

Finding the Fourth Proportional to 5,395,963.20, 8,093,944.80 and 4,985,390.40

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Solution

The fourth proportional to 5,395,963.20, 8,093,944.80 and 4,985,390.40 is: 7,478,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,963.20 : 8,093,944.80 = 4,985,390.40 : x
  2. Step 2: Convert to fraction form
    5,395,963.20/8,093,944.80 = 4,985,390.40/x
  3. Step 3: Cross multiply
    5,395,963.20x = 8,093,944.80 × 4,985,390.40
  4. Step 4: Simplify right side
    5,395,963.20x = 40,351,474,704,049.92
  5. Step 5: Solve for x
    x = 40,351,474,704,049.92/5,395,963.20
  6. Step 6: Final answer
    x = 7,478,085.60

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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.