Home / 21,203,504.85-31,810,368.73-7,368,453.33

Finding the Fourth Proportional to 21,203,504.85, 31,810,368.73 and 7,368,453.33

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Solution

The fourth proportional to 21,203,504.85, 31,810,368.73 and 7,368,453.33 is: 11,054,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203,504.85 : 31,810,368.73 = 7,368,453.33 : x
  2. Step 2: Convert to fraction form
    21,203,504.85/31,810,368.73 = 7,368,453.33/x
  3. Step 3: Cross multiply
    21,203,504.85x = 31,810,368.73 × 7,368,453.33
  4. Step 4: Simplify right side
    21,203,504.85x = 234,393,217,397,096.38
  5. Step 5: Solve for x
    x = 234,393,217,397,096.38/21,203,504.85
  6. Step 6: Final answer
    x = 11,054,456.28

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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.