Home / 9,185,131.20-13,745,037.60-8,000,068.80

Finding the Fourth Proportional to 9,185,131.20, 13,745,037.60 and 8,000,068.80

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Solution

The fourth proportional to 9,185,131.20, 13,745,037.60 and 8,000,068.80 is: 11,971,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185,131.20 : 13,745,037.60 = 8,000,068.80 : x
  2. Step 2: Convert to fraction form
    9,185,131.20/13,745,037.60 = 8,000,068.80/x
  3. Step 3: Cross multiply
    9,185,131.20x = 13,745,037.60 × 8,000,068.80
  4. Step 4: Simplify right side
    9,185,131.20x = 109,961,246,458,586.88
  5. Step 5: Solve for x
    x = 109,961,246,458,586.88/9,185,131.20
  6. Step 6: Final answer
    x = 11,971,657.68

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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.