Home / 7,653,548.50-10,561,896.96-4,215,778.90

Finding the Fourth Proportional to 7,653,548.50, 10,561,896.96 and 4,215,778.90

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Solution

The fourth proportional to 7,653,548.50, 10,561,896.96 and 4,215,778.90 is: 5,817,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653,548.50 : 10,561,896.96 = 4,215,778.90 : x
  2. Step 2: Convert to fraction form
    7,653,548.50/10,561,896.96 = 4,215,778.90/x
  3. Step 3: Cross multiply
    7,653,548.50x = 10,561,896.96 × 4,215,778.90
  4. Step 4: Simplify right side
    7,653,548.50x = 44,526,622,347,942.15
  5. Step 5: Solve for x
    x = 44,526,622,347,942.15/7,653,548.50
  6. Step 6: Final answer
    x = 5,817,774.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.