Home / 8,639,706.75-12,961,659.65-2,656,074.75

Finding the Fourth Proportional to 8,639,706.75, 12,961,659.65 and 2,656,074.75

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Solution

The fourth proportional to 8,639,706.75, 12,961,659.65 and 2,656,074.75 is: 3,984,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,706.75 : 12,961,659.65 = 2,656,074.75 : x
  2. Step 2: Convert to fraction form
    8,639,706.75/12,961,659.65 = 2,656,074.75/x
  3. Step 3: Cross multiply
    8,639,706.75x = 12,961,659.65 × 2,656,074.75
  4. Step 4: Simplify right side
    8,639,706.75x = 34,427,136,901,178.46
  5. Step 5: Solve for x
    x = 34,427,136,901,178.46/8,639,706.75
  6. Step 6: Final answer
    x = 3,984,757.57

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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.