Home / 8,579,344.62-12,865,088.07-5,122,653.53

Finding the Fourth Proportional to 8,579,344.62, 12,865,088.07 and 5,122,653.53

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Solution

The fourth proportional to 8,579,344.62, 12,865,088.07 and 5,122,653.53 is: 7,681,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,344.62 : 12,865,088.07 = 5,122,653.53 : x
  2. Step 2: Convert to fraction form
    8,579,344.62/12,865,088.07 = 5,122,653.53/x
  3. Step 3: Cross multiply
    8,579,344.62x = 12,865,088.07 × 5,122,653.53
  4. Step 4: Simplify right side
    8,579,344.62x = 65,903,388,751,220.95
  5. Step 5: Solve for x
    x = 65,903,388,751,220.95/8,579,344.62
  6. Step 6: Final answer
    x = 7,681,634.40

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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.