Home / 8,071,128.64-12,108,464.16-2,391,797.44

Finding the Fourth Proportional to 8,071,128.64, 12,108,464.16 and 2,391,797.44

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Solution

The fourth proportional to 8,071,128.64, 12,108,464.16 and 2,391,797.44 is: 3,588,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,128.64 : 12,108,464.16 = 2,391,797.44 : x
  2. Step 2: Convert to fraction form
    8,071,128.64/12,108,464.16 = 2,391,797.44/x
  3. Step 3: Cross multiply
    8,071,128.64x = 12,108,464.16 × 2,391,797.44
  4. Step 4: Simplify right side
    8,071,128.64x = 28,960,993,580,219.75
  5. Step 5: Solve for x
    x = 28,960,993,580,219.75/8,071,128.64
  6. Step 6: Final answer
    x = 3,588,221.04

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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.