Home / 8,580,084.16-12,870,114.24-2,190,336.64

Finding the Fourth Proportional to 8,580,084.16, 12,870,114.24 and 2,190,336.64

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Solution

The fourth proportional to 8,580,084.16, 12,870,114.24 and 2,190,336.64 is: 3,285,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,084.16 : 12,870,114.24 = 2,190,336.64 : x
  2. Step 2: Convert to fraction form
    8,580,084.16/12,870,114.24 = 2,190,336.64/x
  3. Step 3: Cross multiply
    8,580,084.16x = 12,870,114.24 × 2,190,336.64
  4. Step 4: Simplify right side
    8,580,084.16x = 28,189,882,780,857.75
  5. Step 5: Solve for x
    x = 28,189,882,780,857.75/8,580,084.16
  6. Step 6: Final answer
    x = 3,285,501.90

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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.