Home / 8,072,906.85-12,109,360.55-3,280,970.12

Finding the Fourth Proportional to 8,072,906.85, 12,109,360.55 and 3,280,970.12

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Solution

The fourth proportional to 8,072,906.85, 12,109,360.55 and 3,280,970.12 is: 4,921,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,906.85 : 12,109,360.55 = 3,280,970.12 : x
  2. Step 2: Convert to fraction form
    8,072,906.85/12,109,360.55 = 3,280,970.12/x
  3. Step 3: Cross multiply
    8,072,906.85x = 12,109,360.55 × 3,280,970.12
  4. Step 4: Simplify right side
    8,072,906.85x = 39,730,450,059,905.12
  5. Step 5: Solve for x
    x = 39,730,450,059,905.12/8,072,906.85
  6. Step 6: Final answer
    x = 4,921,455.28

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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.