Home / 11,005,123.35-16,507,685.03-8,485,699.35

Finding the Fourth Proportional to 11,005,123.35, 16,507,685.03 and 8,485,699.35

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Solution

The fourth proportional to 11,005,123.35, 16,507,685.03 and 8,485,699.35 is: 12,728,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,123.35 : 16,507,685.03 = 8,485,699.35 : x
  2. Step 2: Convert to fraction form
    11,005,123.35/16,507,685.03 = 8,485,699.35/x
  3. Step 3: Cross multiply
    11,005,123.35x = 16,507,685.03 × 8,485,699.35
  4. Step 4: Simplify right side
    11,005,123.35x = 140,079,252,086,647.23
  5. Step 5: Solve for x
    x = 140,079,252,086,647.23/11,005,123.35
  6. Step 6: Final answer
    x = 12,728,549.03

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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.