Home / 12,697,524.56-17,519,857.80-7,542,624.08

Finding the Fourth Proportional to 12,697,524.56, 17,519,857.80 and 7,542,624.08

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Solution

The fourth proportional to 12,697,524.56, 17,519,857.80 and 7,542,624.08 is: 10,407,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697,524.56 : 17,519,857.80 = 7,542,624.08 : x
  2. Step 2: Convert to fraction form
    12,697,524.56/17,519,857.80 = 7,542,624.08/x
  3. Step 3: Cross multiply
    12,697,524.56x = 17,519,857.80 × 7,542,624.08
  4. Step 4: Simplify right side
    12,697,524.56x = 132,145,701,320,455.83
  5. Step 5: Solve for x
    x = 132,145,701,320,455.83/12,697,524.56
  6. Step 6: Final answer
    x = 10,407,201.87

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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.