Home / 28,036,504.26-38,707,890.94-21,497,571.90

Finding the Fourth Proportional to 28,036,504.26, 38,707,890.94 and 21,497,571.90

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Solution

The fourth proportional to 28,036,504.26, 38,707,890.94 and 21,497,571.90 is: 29,680,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036,504.26 : 38,707,890.94 = 21,497,571.90 : x
  2. Step 2: Convert to fraction form
    28,036,504.26/38,707,890.94 = 21,497,571.90/x
  3. Step 3: Cross multiply
    28,036,504.26x = 38,707,890.94 × 21,497,571.90
  4. Step 4: Simplify right side
    28,036,504.26x = 832,125,668,580,008.50
  5. Step 5: Solve for x
    x = 832,125,668,580,008.50/28,036,504.26
  6. Step 6: Final answer
    x = 29,680,079.26

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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.