Home / 8,172,616.60-12,258,924.90-7,741,307.80

Finding the Fourth Proportional to 8,172,616.60, 12,258,924.90 and 7,741,307.80

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Solution

The fourth proportional to 8,172,616.60, 12,258,924.90 and 7,741,307.80 is: 11,611,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,616.60 : 12,258,924.90 = 7,741,307.80 : x
  2. Step 2: Convert to fraction form
    8,172,616.60/12,258,924.90 = 7,741,307.80/x
  3. Step 3: Cross multiply
    8,172,616.60x = 12,258,924.90 × 7,741,307.80
  4. Step 4: Simplify right side
    8,172,616.60x = 94,900,110,947,984.22
  5. Step 5: Solve for x
    x = 94,900,110,947,984.22/8,172,616.60
  6. Step 6: Final answer
    x = 11,611,961.70

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1.5x scale

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.