Home / 18,397,220.94-25,389,279.67-10,137,273.23

Finding the Fourth Proportional to 18,397,220.94, 25,389,279.67 and 10,137,273.23

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Solution

The fourth proportional to 18,397,220.94, 25,389,279.67 and 10,137,273.23 is: 13,990,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,220.94 : 25,389,279.67 = 10,137,273.23 : x
  2. Step 2: Convert to fraction form
    18,397,220.94/25,389,279.67 = 10,137,273.23/x
  3. Step 3: Cross multiply
    18,397,220.94x = 25,389,279.67 × 10,137,273.23
  4. Step 4: Simplify right side
    18,397,220.94x = 257,378,065,136,629.25
  5. Step 5: Solve for x
    x = 257,378,065,136,629.25/18,397,220.94
  6. Step 6: Final answer
    x = 13,990,051.32

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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.