Home / 36,384,145.20-54,576,217.80-18,191,148.30

Finding the Fourth Proportional to 36,384,145.20, 54,576,217.80 and 18,191,148.30

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Solution

The fourth proportional to 36,384,145.20, 54,576,217.80 and 18,191,148.30 is: 27,286,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,384,145.20 : 54,576,217.80 = 18,191,148.30 : x
  2. Step 2: Convert to fraction form
    36,384,145.20/54,576,217.80 = 18,191,148.30/x
  3. Step 3: Cross multiply
    36,384,145.20x = 54,576,217.80 × 18,191,148.30
  4. Step 4: Simplify right side
    36,384,145.20x = 992,804,071,652,899.75
  5. Step 5: Solve for x
    x = 992,804,071,652,899.75/36,384,145.20
  6. Step 6: Final answer
    x = 27,286,722.45

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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.