Home / 5,458,499.70-8,187,749.55-5,192,779.20

Finding the Fourth Proportional to 5,458,499.70, 8,187,749.55 and 5,192,779.20

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Solution

The fourth proportional to 5,458,499.70, 8,187,749.55 and 5,192,779.20 is: 7,789,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,499.70 : 8,187,749.55 = 5,192,779.20 : x
  2. Step 2: Convert to fraction form
    5,458,499.70/8,187,749.55 = 5,192,779.20/x
  3. Step 3: Cross multiply
    5,458,499.70x = 8,187,749.55 × 5,192,779.20
  4. Step 4: Simplify right side
    5,458,499.70x = 42,517,175,558,049.36
  5. Step 5: Solve for x
    x = 42,517,175,558,049.36/5,458,499.70
  6. Step 6: Final answer
    x = 7,789,168.80

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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.