Home / 18,698,769.20-25,811,187.46-11,256,777.26

Finding the Fourth Proportional to 18,698,769.20, 25,811,187.46 and 11,256,777.26

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Solution

The fourth proportional to 18,698,769.20, 25,811,187.46 and 11,256,777.26 is: 15,538,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698,769.20 : 25,811,187.46 = 11,256,777.26 : x
  2. Step 2: Convert to fraction form
    18,698,769.20/25,811,187.46 = 11,256,777.26/x
  3. Step 3: Cross multiply
    18,698,769.20x = 25,811,187.46 × 11,256,777.26
  4. Step 4: Simplify right side
    18,698,769.20x = 290,550,788,024,584.50
  5. Step 5: Solve for x
    x = 290,550,788,024,584.50/18,698,769.20
  6. Step 6: Final answer
    x = 15,538,498.01

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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.