Home / 12,000,115.45-16,560,235.77-7,037,544.96

Finding the Fourth Proportional to 12,000,115.45, 16,560,235.77 and 7,037,544.96

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Solution

The fourth proportional to 12,000,115.45, 16,560,235.77 and 7,037,544.96 is: 9,711,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000,115.45 : 16,560,235.77 = 7,037,544.96 : x
  2. Step 2: Convert to fraction form
    12,000,115.45/16,560,235.77 = 7,037,544.96/x
  3. Step 3: Cross multiply
    12,000,115.45x = 16,560,235.77 × 7,037,544.96
  4. Step 4: Simplify right side
    12,000,115.45x = 116,543,403,792,770.61
  5. Step 5: Solve for x
    x = 116,543,403,792,770.61/12,000,115.45
  6. Step 6: Final answer
    x = 9,711,856.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.