Home / 13,372,916.20-20,059,374.30-8,586,010.60

Finding the Fourth Proportional to 13,372,916.20, 20,059,374.30 and 8,586,010.60

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Solution

The fourth proportional to 13,372,916.20, 20,059,374.30 and 8,586,010.60 is: 12,879,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,916.20 : 20,059,374.30 = 8,586,010.60 : x
  2. Step 2: Convert to fraction form
    13,372,916.20/20,059,374.30 = 8,586,010.60/x
  3. Step 3: Cross multiply
    13,372,916.20x = 20,059,374.30 × 8,586,010.60
  4. Step 4: Simplify right side
    13,372,916.20x = 172,230,000,369,167.59
  5. Step 5: Solve for x
    x = 172,230,000,369,167.59/13,372,916.20
  6. Step 6: Final answer
    x = 12,879,015.90

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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.