Home / 18,066,522.18-27,099,822.15-12,699,190.02

Finding the Fourth Proportional to 18,066,522.18, 27,099,822.15 and 12,699,190.02

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Solution

The fourth proportional to 18,066,522.18, 27,099,822.15 and 12,699,190.02 is: 19,048,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066,522.18 : 27,099,822.15 = 12,699,190.02 : x
  2. Step 2: Convert to fraction form
    18,066,522.18/27,099,822.15 = 12,699,190.02/x
  3. Step 3: Cross multiply
    18,066,522.18x = 27,099,822.15 × 12,699,190.02
  4. Step 4: Simplify right side
    18,066,522.18x = 344,145,790,991,054.94
  5. Step 5: Solve for x
    x = 344,145,790,991,054.94/18,066,522.18
  6. Step 6: Final answer
    x = 19,048,812.36

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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.