Home / 12,451,485.72-18,677,800.98-3,814,967.64

Finding the Fourth Proportional to 12,451,485.72, 18,677,800.98 and 3,814,967.64

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Solution

The fourth proportional to 12,451,485.72, 18,677,800.98 and 3,814,967.64 is: 5,722,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,485.72 : 18,677,800.98 = 3,814,967.64 : x
  2. Step 2: Convert to fraction form
    12,451,485.72/18,677,800.98 = 3,814,967.64/x
  3. Step 3: Cross multiply
    12,451,485.72x = 18,677,800.98 × 3,814,967.64
  4. Step 4: Simplify right side
    12,451,485.72x = 71,255,206,325,060.30
  5. Step 5: Solve for x
    x = 71,255,206,325,060.30/12,451,485.72
  6. Step 6: Final answer
    x = 5,722,626.84

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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.