Home / 8,390,844.56-12,580,434.84-4,284,183.44

Finding the Fourth Proportional to 8,390,844.56, 12,580,434.84 and 4,284,183.44

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Solution

The fourth proportional to 8,390,844.56, 12,580,434.84 and 4,284,183.44 is: 6,423,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390,844.56 : 12,580,434.84 = 4,284,183.44 : x
  2. Step 2: Convert to fraction form
    8,390,844.56/12,580,434.84 = 4,284,183.44/x
  3. Step 3: Cross multiply
    8,390,844.56x = 12,580,434.84 × 4,284,183.44
  4. Step 4: Simplify right side
    8,390,844.56x = 53,896,890,609,527.05
  5. Step 5: Solve for x
    x = 53,896,890,609,527.05/8,390,844.56
  6. Step 6: Final answer
    x = 6,423,297.47

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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.