Home / 7,491,728.69-11,237,598.50-1,811,958.47

Finding the Fourth Proportional to 7,491,728.69, 11,237,598.50 and 1,811,958.47

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Solution

The fourth proportional to 7,491,728.69, 11,237,598.50 and 1,811,958.47 is: 2,717,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491,728.69 : 11,237,598.50 = 1,811,958.47 : x
  2. Step 2: Convert to fraction form
    7,491,728.69/11,237,598.50 = 1,811,958.47/x
  3. Step 3: Cross multiply
    7,491,728.69x = 11,237,598.50 × 1,811,958.47
  4. Step 4: Simplify right side
    7,491,728.69x = 20,362,061,719,286.51
  5. Step 5: Solve for x
    x = 20,362,061,719,286.51/7,491,728.69
  6. Step 6: Final answer
    x = 2,717,939.02

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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.