Home / 10,975,500.40-16,463,250.60-7,149,125.20

Finding the Fourth Proportional to 10,975,500.40, 16,463,250.60 and 7,149,125.20

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Solution

The fourth proportional to 10,975,500.40, 16,463,250.60 and 7,149,125.20 is: 10,723,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975,500.40 : 16,463,250.60 = 7,149,125.20 : x
  2. Step 2: Convert to fraction form
    10,975,500.40/16,463,250.60 = 7,149,125.20/x
  3. Step 3: Cross multiply
    10,975,500.40x = 16,463,250.60 × 7,149,125.20
  4. Step 4: Simplify right side
    10,975,500.40x = 117,697,839,738,375.12
  5. Step 5: Solve for x
    x = 117,697,839,738,375.12/10,975,500.40
  6. Step 6: Final answer
    x = 10,723,687.80

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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.