Home / 18,667,769.76-25,760,598.48-10,519,532.64

Finding the Fourth Proportional to 18,667,769.76, 25,760,598.48 and 10,519,532.64

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Solution

The fourth proportional to 18,667,769.76, 25,760,598.48 and 10,519,532.64 is: 14,516,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,769.76 : 25,760,598.48 = 10,519,532.64 : x
  2. Step 2: Convert to fraction form
    18,667,769.76/25,760,598.48 = 10,519,532.64/x
  3. Step 3: Cross multiply
    18,667,769.76x = 25,760,598.48 × 10,519,532.64
  4. Step 4: Simplify right side
    18,667,769.76x = 270,989,456,536,294.41
  5. Step 5: Solve for x
    x = 270,989,456,536,294.41/18,667,769.76
  6. Step 6: Final answer
    x = 14,516,434.48

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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.