Home / 14,995,706.12-20,694,172.98-8,120,188.76

Finding the Fourth Proportional to 14,995,706.12, 20,694,172.98 and 8,120,188.76

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Solution

The fourth proportional to 14,995,706.12, 20,694,172.98 and 8,120,188.76 is: 11,205,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995,706.12 : 20,694,172.98 = 8,120,188.76 : x
  2. Step 2: Convert to fraction form
    14,995,706.12/20,694,172.98 = 8,120,188.76/x
  3. Step 3: Cross multiply
    14,995,706.12x = 20,694,172.98 × 8,120,188.76
  4. Step 4: Simplify right side
    14,995,706.12x = 168,040,590,829,691.72
  5. Step 5: Solve for x
    x = 168,040,590,829,691.72/14,995,706.12
  6. Step 6: Final answer
    x = 11,205,913.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.