Home / 21,062,022.50-31,593,033.75-5,105,670.50

Finding the Fourth Proportional to 21,062,022.50, 31,593,033.75 and 5,105,670.50

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Solution

The fourth proportional to 21,062,022.50, 31,593,033.75 and 5,105,670.50 is: 7,658,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,022.50 : 31,593,033.75 = 5,105,670.50 : x
  2. Step 2: Convert to fraction form
    21,062,022.50/31,593,033.75 = 5,105,670.50/x
  3. Step 3: Cross multiply
    21,062,022.50x = 31,593,033.75 × 5,105,670.50
  4. Step 4: Simplify right side
    21,062,022.50x = 161,303,620,422,879.38
  5. Step 5: Solve for x
    x = 161,303,620,422,879.38/21,062,022.50
  6. Step 6: Final answer
    x = 7,658,505.75

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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.