Home / 8,255,616.88-12,381,985.86-2,190,961.76

Finding the Fourth Proportional to 8,255,616.88, 12,381,985.86 and 2,190,961.76

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Solution

The fourth proportional to 8,255,616.88, 12,381,985.86 and 2,190,961.76 is: 3,286,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255,616.88 : 12,381,985.86 = 2,190,961.76 : x
  2. Step 2: Convert to fraction form
    8,255,616.88/12,381,985.86 = 2,190,961.76/x
  3. Step 3: Cross multiply
    8,255,616.88x = 12,381,985.86 × 2,190,961.76
  4. Step 4: Simplify right side
    8,255,616.88x = 27,128,457,532,120.71
  5. Step 5: Solve for x
    x = 27,128,457,532,120.71/8,255,616.88
  6. Step 6: Final answer
    x = 3,286,060.62

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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.