Home / 27,519,620.35-37,977,100.38-15,129,924.57

Finding the Fourth Proportional to 27,519,620.35, 37,977,100.38 and 15,129,924.57

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Solution

The fourth proportional to 27,519,620.35, 37,977,100.38 and 15,129,924.57 is: 20,879,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519,620.35 : 37,977,100.38 = 15,129,924.57 : x
  2. Step 2: Convert to fraction form
    27,519,620.35/37,977,100.38 = 15,129,924.57/x
  3. Step 3: Cross multiply
    27,519,620.35x = 37,977,100.38 × 15,129,924.57
  4. Step 4: Simplify right side
    27,519,620.35x = 574,590,664,136,718.38
  5. Step 5: Solve for x
    x = 574,590,664,136,718.38/27,519,620.35
  6. Step 6: Final answer
    x = 20,879,309.26

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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.