Home / 8,318,201.78-12,478,354.50-2,854,361

Finding the Fourth Proportional to 8,318,201.78, 12,478,354.50 and 2,854,361

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Solution

The fourth proportional to 8,318,201.78, 12,478,354.50 and 2,854,361 is: 4,281,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,201.78 : 12,478,354.50 = 2,854,361 : x
  2. Step 2: Convert to fraction form
    8,318,201.78/12,478,354.50 = 2,854,361/x
  3. Step 3: Cross multiply
    8,318,201.78x = 12,478,354.50 × 2,854,361
  4. Step 4: Simplify right side
    8,318,201.78x = 35,617,728,428,974.50
  5. Step 5: Solve for x
    x = 35,617,728,428,974.50/8,318,201.78
  6. Step 6: Final answer
    x = 4,281,902.43

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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.