Home / 10,361,753.10-15,542,629.65-8,470,629.90

Finding the Fourth Proportional to 10,361,753.10, 15,542,629.65 and 8,470,629.90

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Solution

The fourth proportional to 10,361,753.10, 15,542,629.65 and 8,470,629.90 is: 12,705,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,753.10 : 15,542,629.65 = 8,470,629.90 : x
  2. Step 2: Convert to fraction form
    10,361,753.10/15,542,629.65 = 8,470,629.90/x
  3. Step 3: Cross multiply
    10,361,753.10x = 15,542,629.65 × 8,470,629.90
  4. Step 4: Simplify right side
    10,361,753.10x = 131,655,863,437,916.55
  5. Step 5: Solve for x
    x = 131,655,863,437,916.55/10,361,753.10
  6. Step 6: Final answer
    x = 12,705,944.85

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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.