Home / 45,923,927.81-68,885,891.82-18,997,583.81

Finding the Fourth Proportional to 45,923,927.81, 68,885,891.82 and 18,997,583.81

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Solution

The fourth proportional to 45,923,927.81, 68,885,891.82 and 18,997,583.81 is: 28,496,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,923,927.81 : 68,885,891.82 = 18,997,583.81 : x
  2. Step 2: Convert to fraction form
    45,923,927.81/68,885,891.82 = 18,997,583.81/x
  3. Step 3: Cross multiply
    45,923,927.81x = 68,885,891.82 × 18,997,583.81
  4. Step 4: Simplify right side
    45,923,927.81x = 1,308,665,503,349,258
  5. Step 5: Solve for x
    x = 1,308,665,503,349,258/45,923,927.81
  6. Step 6: Final answer
    x = 28,496,375.76

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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.