Home / 8,507,269.10-12,770,234.85-5,315,998.70

Finding the Fourth Proportional to 8,507,269.10, 12,770,234.85 and 5,315,998.70

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Solution

The fourth proportional to 8,507,269.10, 12,770,234.85 and 5,315,998.70 is: 7,979,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,269.10 : 12,770,234.85 = 5,315,998.70 : x
  2. Step 2: Convert to fraction form
    8,507,269.10/12,770,234.85 = 5,315,998.70/x
  3. Step 3: Cross multiply
    8,507,269.10x = 12,770,234.85 × 5,315,998.70
  4. Step 4: Simplify right side
    8,507,269.10x = 67,886,551,861,294.70
  5. Step 5: Solve for x
    x = 67,886,551,861,294.70/8,507,269.10
  6. Step 6: Final answer
    x = 7,979,828.90

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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.