Home / 20,169,589.50-27,830,561.06-11,347,816.52

Finding the Fourth Proportional to 20,169,589.50, 27,830,561.06 and 11,347,816.52

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Solution

The fourth proportional to 20,169,589.50, 27,830,561.06 and 11,347,816.52 is: 15,658,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,589.50 : 27,830,561.06 = 11,347,816.52 : x
  2. Step 2: Convert to fraction form
    20,169,589.50/27,830,561.06 = 11,347,816.52/x
  3. Step 3: Cross multiply
    20,169,589.50x = 27,830,561.06 × 11,347,816.52
  4. Step 4: Simplify right side
    20,169,589.50x = 315,816,100,552,521.44
  5. Step 5: Solve for x
    x = 315,816,100,552,521.44/20,169,589.50
  6. Step 6: Final answer
    x = 15,658,033.13

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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.