Home / 8,639,706.25-12,961,658.90-2,656,074.25

Finding the Fourth Proportional to 8,639,706.25, 12,961,658.90 and 2,656,074.25

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Solution

The fourth proportional to 8,639,706.25, 12,961,658.90 and 2,656,074.25 is: 3,984,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,706.25 : 12,961,658.90 = 2,656,074.25 : x
  2. Step 2: Convert to fraction form
    8,639,706.25/12,961,658.90 = 2,656,074.25/x
  3. Step 3: Cross multiply
    8,639,706.25x = 12,961,658.90 × 2,656,074.25
  4. Step 4: Simplify right side
    8,639,706.25x = 34,427,128,441,573.32
  5. Step 5: Solve for x
    x = 34,427,128,441,573.32/8,639,706.25
  6. Step 6: Final answer
    x = 3,984,756.82

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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.