Home / 8,580,086.16-12,870,117.24-2,190,338.64

Finding the Fourth Proportional to 8,580,086.16, 12,870,117.24 and 2,190,338.64

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Solution

The fourth proportional to 8,580,086.16, 12,870,117.24 and 2,190,338.64 is: 3,285,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,086.16 : 12,870,117.24 = 2,190,338.64 : x
  2. Step 2: Convert to fraction form
    8,580,086.16/12,870,117.24 = 2,190,338.64/x
  3. Step 3: Cross multiply
    8,580,086.16x = 12,870,117.24 × 2,190,338.64
  4. Step 4: Simplify right side
    8,580,086.16x = 28,189,915,092,102.16
  5. Step 5: Solve for x
    x = 28,189,915,092,102.16/8,580,086.16
  6. Step 6: Final answer
    x = 3,285,504.90

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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.