Home / 18,919,014.24-28,372,541.76-6,788,206.56

Finding the Fourth Proportional to 18,919,014.24, 28,372,541.76 and 6,788,206.56

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Solution

The fourth proportional to 18,919,014.24, 28,372,541.76 and 6,788,206.56 is: 10,180,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919,014.24 : 28,372,541.76 = 6,788,206.56 : x
  2. Step 2: Convert to fraction form
    18,919,014.24/28,372,541.76 = 6,788,206.56/x
  3. Step 3: Cross multiply
    18,919,014.24x = 28,372,541.76 × 6,788,206.56
  4. Step 4: Simplify right side
    18,919,014.24x = 192,598,674,099,105.94
  5. Step 5: Solve for x
    x = 192,598,674,099,105.94/18,919,014.24
  6. Step 6: Final answer
    x = 10,180,164.34

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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.