Home / 12,508,048.55-17,261,399.30-7,001,286.44

Finding the Fourth Proportional to 12,508,048.55, 17,261,399.30 and 7,001,286.44

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Solution

The fourth proportional to 12,508,048.55, 17,261,399.30 and 7,001,286.44 is: 9,661,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508,048.55 : 17,261,399.30 = 7,001,286.44 : x
  2. Step 2: Convert to fraction form
    12,508,048.55/17,261,399.30 = 7,001,286.44/x
  3. Step 3: Cross multiply
    12,508,048.55x = 17,261,399.30 × 7,001,286.44
  4. Step 4: Simplify right side
    12,508,048.55x = 120,852,000,733,202.06
  5. Step 5: Solve for x
    x = 120,852,000,733,202.06/12,508,048.55
  6. Step 6: Final answer
    x = 9,661,938.89

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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.