Home / 10,997,704.80-16,496,557.20-7,171,394.40

Finding the Fourth Proportional to 10,997,704.80, 16,496,557.20 and 7,171,394.40

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Solution

The fourth proportional to 10,997,704.80, 16,496,557.20 and 7,171,394.40 is: 10,757,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997,704.80 : 16,496,557.20 = 7,171,394.40 : x
  2. Step 2: Convert to fraction form
    10,997,704.80/16,496,557.20 = 7,171,394.40/x
  3. Step 3: Cross multiply
    10,997,704.80x = 16,496,557.20 × 7,171,394.40
  4. Step 4: Simplify right side
    10,997,704.80x = 118,303,317,923,359.69
  5. Step 5: Solve for x
    x = 118,303,317,923,359.69/10,997,704.80
  6. Step 6: Final answer
    x = 10,757,091.60

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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.