Home / 8,318,202.78-12,478,356-2,854,362

Finding the Fourth Proportional to 8,318,202.78, 12,478,356 and 2,854,362

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Solution

The fourth proportional to 8,318,202.78, 12,478,356 and 2,854,362 is: 4,281,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,202.78 : 12,478,356 = 2,854,362 : x
  2. Step 2: Convert to fraction form
    8,318,202.78/12,478,356 = 2,854,362/x
  3. Step 3: Cross multiply
    8,318,202.78x = 12,478,356 × 2,854,362
  4. Step 4: Simplify right side
    8,318,202.78x = 35,617,745,188,872
  5. Step 5: Solve for x
    x = 35,617,745,188,872/8,318,202.78
  6. Step 6: Final answer
    x = 4,281,903.93

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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.