Home / 18,093,474.12-27,153,665.64-7,310,868.72

Finding the Fourth Proportional to 18,093,474.12, 27,153,665.64 and 7,310,868.72

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Solution

The fourth proportional to 18,093,474.12, 27,153,665.64 and 7,310,868.72 is: 10,971,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093,474.12 : 27,153,665.64 = 7,310,868.72 : x
  2. Step 2: Convert to fraction form
    18,093,474.12/27,153,665.64 = 7,310,868.72/x
  3. Step 3: Cross multiply
    18,093,474.12x = 27,153,665.64 × 7,310,868.72
  4. Step 4: Simplify right side
    18,093,474.12x = 198,516,884,760,814.78
  5. Step 5: Solve for x
    x = 198,516,884,760,814.78/18,093,474.12
  6. Step 6: Final answer
    x = 10,971,739.50

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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.