Home / 10,780,775.40-16,171,163.10-6,954,400.20

Finding the Fourth Proportional to 10,780,775.40, 16,171,163.10 and 6,954,400.20

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Solution

The fourth proportional to 10,780,775.40, 16,171,163.10 and 6,954,400.20 is: 10,431,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,775.40 : 16,171,163.10 = 6,954,400.20 : x
  2. Step 2: Convert to fraction form
    10,780,775.40/16,171,163.10 = 6,954,400.20/x
  3. Step 3: Cross multiply
    10,780,775.40x = 16,171,163.10 × 6,954,400.20
  4. Step 4: Simplify right side
    10,780,775.40x = 112,460,739,896,872.62
  5. Step 5: Solve for x
    x = 112,460,739,896,872.62/10,780,775.40
  6. Step 6: Final answer
    x = 10,431,600.30

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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.