Home / 21,538,536.56-32,308,085.97-7,161,604.34

Finding the Fourth Proportional to 21,538,536.56, 32,308,085.97 and 7,161,604.34

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Solution

The fourth proportional to 21,538,536.56, 32,308,085.97 and 7,161,604.34 is: 10,742,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538,536.56 : 32,308,085.97 = 7,161,604.34 : x
  2. Step 2: Convert to fraction form
    21,538,536.56/32,308,085.97 = 7,161,604.34/x
  3. Step 3: Cross multiply
    21,538,536.56x = 32,308,085.97 × 7,161,604.34
  4. Step 4: Simplify right side
    21,538,536.56x = 231,377,728,538,304.66
  5. Step 5: Solve for x
    x = 231,377,728,538,304.66/21,538,536.56
  6. Step 6: Final answer
    x = 10,742,499.98

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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.