Home / 18,945,526.89-26,138,858.30-11,595,697.86

Finding the Fourth Proportional to 18,945,526.89, 26,138,858.30 and 11,595,697.86

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Solution

The fourth proportional to 18,945,526.89, 26,138,858.30 and 11,595,697.86 is: 15,998,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945,526.89 : 26,138,858.30 = 11,595,697.86 : x
  2. Step 2: Convert to fraction form
    18,945,526.89/26,138,858.30 = 11,595,697.86/x
  3. Step 3: Cross multiply
    18,945,526.89x = 26,138,858.30 × 11,595,697.86
  4. Step 4: Simplify right side
    18,945,526.89x = 303,098,303,400,905.12
  5. Step 5: Solve for x
    x = 303,098,303,400,905.12/18,945,526.89
  6. Step 6: Final answer
    x = 15,998,409.81

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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.