Home / 8,178,653.76-12,270,189.44-2,498,723.16

Finding the Fourth Proportional to 8,178,653.76, 12,270,189.44 and 2,498,723.16

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Solution

The fourth proportional to 8,178,653.76, 12,270,189.44 and 2,498,723.16 is: 3,748,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,653.76 : 12,270,189.44 = 2,498,723.16 : x
  2. Step 2: Convert to fraction form
    8,178,653.76/12,270,189.44 = 2,498,723.16/x
  3. Step 3: Cross multiply
    8,178,653.76x = 12,270,189.44 × 2,498,723.16
  4. Step 4: Simplify right side
    8,178,653.76x = 30,659,806,531,315.43
  5. Step 5: Solve for x
    x = 30,659,806,531,315.43/8,178,653.76
  6. Step 6: Final answer
    x = 3,748,759.57

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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.