Home / 8,212,478.67-12,318,582.33-2,455,225.70

Finding the Fourth Proportional to 8,212,478.67, 12,318,582.33 and 2,455,225.70

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Solution

The fourth proportional to 8,212,478.67, 12,318,582.33 and 2,455,225.70 is: 3,682,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212,478.67 : 12,318,582.33 = 2,455,225.70 : x
  2. Step 2: Convert to fraction form
    8,212,478.67/12,318,582.33 = 2,455,225.70/x
  3. Step 3: Cross multiply
    8,212,478.67x = 12,318,582.33 × 2,455,225.70
  4. Step 4: Simplify right side
    8,212,478.67x = 30,244,899,862,588.97
  5. Step 5: Solve for x
    x = 30,244,899,862,588.97/8,212,478.67
  6. Step 6: Final answer
    x = 3,682,797.98

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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.