Home / 12,000,680.50-16,560,982.74-6,494,054.80

Finding the Fourth Proportional to 12,000,680.50, 16,560,982.74 and 6,494,054.80

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Solution

The fourth proportional to 12,000,680.50, 16,560,982.74 and 6,494,054.80 is: 8,961,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000,680.50 : 16,560,982.74 = 6,494,054.80 : x
  2. Step 2: Convert to fraction form
    12,000,680.50/16,560,982.74 = 6,494,054.80/x
  3. Step 3: Cross multiply
    12,000,680.50x = 16,560,982.74 × 6,494,054.80
  4. Step 4: Simplify right side
    12,000,680.50x = 107,547,929,455,414.16
  5. Step 5: Solve for x
    x = 107,547,929,455,414.16/12,000,680.50
  6. Step 6: Final answer
    x = 8,961,819.24

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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.