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Finding the Fourth Proportional to 18,318,347.51, 27,477,616.03 and 10,739,998.85

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Solution

The fourth proportional to 18,318,347.51, 27,477,616.03 and 10,739,998.85 is: 16,110,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318,347.51 : 27,477,616.03 = 10,739,998.85 : x
  2. Step 2: Convert to fraction form
    18,318,347.51/27,477,616.03 = 10,739,998.85/x
  3. Step 3: Cross multiply
    18,318,347.51x = 27,477,616.03 × 10,739,998.85
  4. Step 4: Simplify right side
    18,318,347.51x = 295,109,564,398,703.50
  5. Step 5: Solve for x
    x = 295,109,564,398,703.50/18,318,347.51
  6. Step 6: Final answer
    x = 16,110,053.83

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Double scale
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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.