Home / 15,131,401.26-20,856,940.59-10,234,837.65

Finding the Fourth Proportional to 15,131,401.26, 20,856,940.59 and 10,234,837.65

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Solution

The fourth proportional to 15,131,401.26, 20,856,940.59 and 10,234,837.65 is: 14,107,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131,401.26 : 20,856,940.59 = 10,234,837.65 : x
  2. Step 2: Convert to fraction form
    15,131,401.26/20,856,940.59 = 10,234,837.65/x
  3. Step 3: Cross multiply
    15,131,401.26x = 20,856,940.59 × 10,234,837.65
  4. Step 4: Simplify right side
    15,131,401.26x = 213,467,400,814,345.22
  5. Step 5: Solve for x
    x = 213,467,400,814,345.22/15,131,401.26
  6. Step 6: Final answer
    x = 14,107,576.50

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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.