Home / 6,912,410.70-10,368,616.05-6,520,500.30

Finding the Fourth Proportional to 6,912,410.70, 10,368,616.05 and 6,520,500.30

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Solution

The fourth proportional to 6,912,410.70, 10,368,616.05 and 6,520,500.30 is: 9,780,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,410.70 : 10,368,616.05 = 6,520,500.30 : x
  2. Step 2: Convert to fraction form
    6,912,410.70/10,368,616.05 = 6,520,500.30/x
  3. Step 3: Cross multiply
    6,912,410.70x = 10,368,616.05 × 6,520,500.30
  4. Step 4: Simplify right side
    6,912,410.70x = 67,608,564,064,609.82
  5. Step 5: Solve for x
    x = 67,608,564,064,609.82/6,912,410.70
  6. Step 6: Final answer
    x = 9,780,750.45

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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.