Home / 7,117,816.80-10,676,725.20-6,697,912.80

Finding the Fourth Proportional to 7,117,816.80, 10,676,725.20 and 6,697,912.80

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Solution

The fourth proportional to 7,117,816.80, 10,676,725.20 and 6,697,912.80 is: 10,046,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,816.80 : 10,676,725.20 = 6,697,912.80 : x
  2. Step 2: Convert to fraction form
    7,117,816.80/10,676,725.20 = 6,697,912.80/x
  3. Step 3: Cross multiply
    7,117,816.80x = 10,676,725.20 × 6,697,912.80
  4. Step 4: Simplify right side
    7,117,816.80x = 71,511,774,379,162.55
  5. Step 5: Solve for x
    x = 71,511,774,379,162.55/7,117,816.80
  6. Step 6: Final answer
    x = 10,046,869.20

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Double scale
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Similar ratio
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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.