Home / 9,170,214.30-13,755,321.45-7,910,502.30

Finding the Fourth Proportional to 9,170,214.30, 13,755,321.45 and 7,910,502.30

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Solution

The fourth proportional to 9,170,214.30, 13,755,321.45 and 7,910,502.30 is: 11,865,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170,214.30 : 13,755,321.45 = 7,910,502.30 : x
  2. Step 2: Convert to fraction form
    9,170,214.30/13,755,321.45 = 7,910,502.30/x
  3. Step 3: Cross multiply
    9,170,214.30x = 13,755,321.45 × 7,910,502.30
  4. Step 4: Simplify right side
    9,170,214.30x = 108,811,501,967,464.33
  5. Step 5: Solve for x
    x = 108,811,501,967,464.33/9,170,214.30
  6. Step 6: Final answer
    x = 11,865,753.45

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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.