Home / 12,097,175.70-18,145,763.55-10,679,999.70

Finding the Fourth Proportional to 12,097,175.70, 18,145,763.55 and 10,679,999.70

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Solution

The fourth proportional to 12,097,175.70, 18,145,763.55 and 10,679,999.70 is: 16,019,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,175.70 : 18,145,763.55 = 10,679,999.70 : x
  2. Step 2: Convert to fraction form
    12,097,175.70/18,145,763.55 = 10,679,999.70/x
  3. Step 3: Cross multiply
    12,097,175.70x = 18,145,763.55 × 10,679,999.70
  4. Step 4: Simplify right side
    12,097,175.70x = 193,796,749,270,270.94
  5. Step 5: Solve for x
    x = 193,796,749,270,270.94/12,097,175.70
  6. Step 6: Final answer
    x = 16,019,999.55

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1.5x scale

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.