Home / 12,578,608.68-17,358,376.77-7,935,393.03

Finding the Fourth Proportional to 12,578,608.68, 17,358,376.77 and 7,935,393.03

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Solution

The fourth proportional to 12,578,608.68, 17,358,376.77 and 7,935,393.03 is: 10,950,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578,608.68 : 17,358,376.77 = 7,935,393.03 : x
  2. Step 2: Convert to fraction form
    12,578,608.68/17,358,376.77 = 7,935,393.03/x
  3. Step 3: Cross multiply
    12,578,608.68x = 17,358,376.77 × 7,935,393.03
  4. Step 4: Simplify right side
    12,578,608.68x = 137,745,542,032,771.92
  5. Step 5: Solve for x
    x = 137,745,542,032,771.92/12,578,608.68
  6. Step 6: Final answer
    x = 10,950,777.27

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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.