Home / 7,185,000.30-10,777,500.45-3,195,912.30

Finding the Fourth Proportional to 7,185,000.30, 10,777,500.45 and 3,195,912.30

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Solution

The fourth proportional to 7,185,000.30, 10,777,500.45 and 3,195,912.30 is: 4,793,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,000.30 : 10,777,500.45 = 3,195,912.30 : x
  2. Step 2: Convert to fraction form
    7,185,000.30/10,777,500.45 = 3,195,912.30/x
  3. Step 3: Cross multiply
    7,185,000.30x = 10,777,500.45 × 3,195,912.30
  4. Step 4: Simplify right side
    7,185,000.30x = 34,443,946,251,410.53
  5. Step 5: Solve for x
    x = 34,443,946,251,410.53/7,185,000.30
  6. Step 6: Final answer
    x = 4,793,868.45

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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.