Home / 28,504,849.27-42,760,636.89-21,361,784.00

Finding the Fourth Proportional to 28,504,849.27, 42,760,636.89 and 21,361,784.00

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Solution

The fourth proportional to 28,504,849.27, 42,760,636.89 and 21,361,784.00 is: 32,045,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504,849.27 : 42,760,636.89 = 21,361,784.00 : x
  2. Step 2: Convert to fraction form
    28,504,849.27/42,760,636.89 = 21,361,784.00/x
  3. Step 3: Cross multiply
    28,504,849.27x = 42,760,636.89 × 21,361,784.00
  4. Step 4: Simplify right side
    28,504,849.27x = 913,443,489,073,606.88
  5. Step 5: Solve for x
    x = 913,443,489,073,606.88/28,504,849.27
  6. Step 6: Final answer
    x = 32,045,196.26

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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.