Home / 18,139,883.19-25,049,674.64-11,526,651.25

Finding the Fourth Proportional to 18,139,883.19, 25,049,674.64 and 11,526,651.25

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Solution

The fourth proportional to 18,139,883.19, 25,049,674.64 and 11,526,651.25 is: 15,917,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,883.19 : 25,049,674.64 = 11,526,651.25 : x
  2. Step 2: Convert to fraction form
    18,139,883.19/25,049,674.64 = 11,526,651.25/x
  3. Step 3: Cross multiply
    18,139,883.19x = 25,049,674.64 × 11,526,651.25
  4. Step 4: Simplify right side
    18,139,883.19x = 288,738,863,608,346.19
  5. Step 5: Solve for x
    x = 288,738,863,608,346.19/18,139,883.19
  6. Step 6: Final answer
    x = 15,917,349.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.