Home / 17,419,984.86-26,128,288.80-5,289,554.94

Finding the Fourth Proportional to 17,419,984.86, 26,128,288.80 and 5,289,554.94

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Solution

The fourth proportional to 17,419,984.86, 26,128,288.80 and 5,289,554.94 is: 7,933,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419,984.86 : 26,128,288.80 = 5,289,554.94 : x
  2. Step 2: Convert to fraction form
    17,419,984.86/26,128,288.80 = 5,289,554.94/x
  3. Step 3: Cross multiply
    17,419,984.86x = 26,128,288.80 × 5,289,554.94
  4. Step 4: Simplify right side
    17,419,984.86x = 138,207,019,095,786.69
  5. Step 5: Solve for x
    x = 138,207,019,095,786.69/17,419,984.86
  6. Step 6: Final answer
    x = 7,933,819.70

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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.