Home / 40,060,971.92-55,284,141.23-21,726,257.42

Finding the Fourth Proportional to 40,060,971.92, 55,284,141.23 and 21,726,257.42

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Solution

The fourth proportional to 40,060,971.92, 55,284,141.23 and 21,726,257.42 is: 29,982,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,060,971.92 : 55,284,141.23 = 21,726,257.42 : x
  2. Step 2: Convert to fraction form
    40,060,971.92/55,284,141.23 = 21,726,257.42/x
  3. Step 3: Cross multiply
    40,060,971.92x = 55,284,141.23 × 21,726,257.42
  4. Step 4: Simplify right side
    40,060,971.92x = 1,201,117,483,606,615.50
  5. Step 5: Solve for x
    x = 1,201,117,483,606,615.50/40,060,971.92
  6. Step 6: Final answer
    x = 29,982,235.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.