Home / 21,460,955.82-32,191,442.37-5,287,221.96

Finding the Fourth Proportional to 21,460,955.82, 32,191,442.37 and 5,287,221.96

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Solution

The fourth proportional to 21,460,955.82, 32,191,442.37 and 5,287,221.96 is: 7,930,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460,955.82 : 32,191,442.37 = 5,287,221.96 : x
  2. Step 2: Convert to fraction form
    21,460,955.82/32,191,442.37 = 5,287,221.96/x
  3. Step 3: Cross multiply
    21,460,955.82x = 32,191,442.37 × 5,287,221.96
  4. Step 4: Simplify right side
    21,460,955.82x = 170,203,301,022,738.44
  5. Step 5: Solve for x
    x = 170,203,301,022,738.44/21,460,955.82
  6. Step 6: Final answer
    x = 7,930,835.07

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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.