Home / 8,064,803.80-12,097,205.70-7,243,658.20

Finding the Fourth Proportional to 8,064,803.80, 12,097,205.70 and 7,243,658.20

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Solution

The fourth proportional to 8,064,803.80, 12,097,205.70 and 7,243,658.20 is: 10,865,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,803.80 : 12,097,205.70 = 7,243,658.20 : x
  2. Step 2: Convert to fraction form
    8,064,803.80/12,097,205.70 = 7,243,658.20/x
  3. Step 3: Cross multiply
    8,064,803.80x = 12,097,205.70 × 7,243,658.20
  4. Step 4: Simplify right side
    8,064,803.80x = 87,628,023,265,891.73
  5. Step 5: Solve for x
    x = 87,628,023,265,891.73/8,064,803.80
  6. Step 6: Final answer
    x = 10,865,487.30

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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.