Home / 8,579,344.12-12,865,087.32-5,122,653.02

Finding the Fourth Proportional to 8,579,344.12, 12,865,087.32 and 5,122,653.02

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Solution

The fourth proportional to 8,579,344.12, 12,865,087.32 and 5,122,653.02 is: 7,681,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,344.12 : 12,865,087.32 = 5,122,653.02 : x
  2. Step 2: Convert to fraction form
    8,579,344.12/12,865,087.32 = 5,122,653.02/x
  3. Step 3: Cross multiply
    8,579,344.12x = 12,865,087.32 × 5,122,653.02
  4. Step 4: Simplify right side
    8,579,344.12x = 65,903,378,412,361.70
  5. Step 5: Solve for x
    x = 65,903,378,412,361.70/8,579,344.12
  6. Step 6: Final answer
    x = 7,681,633.64

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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.