Home / 18,503,389.44-25,537,362.48-10,661,375.52

Finding the Fourth Proportional to 18,503,389.44, 25,537,362.48 and 10,661,375.52

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Solution

The fourth proportional to 18,503,389.44, 25,537,362.48 and 10,661,375.52 is: 14,714,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503,389.44 : 25,537,362.48 = 10,661,375.52 : x
  2. Step 2: Convert to fraction form
    18,503,389.44/25,537,362.48 = 10,661,375.52/x
  3. Step 3: Cross multiply
    18,503,389.44x = 25,537,362.48 × 10,661,375.52
  4. Step 4: Simplify right side
    18,503,389.44x = 272,263,411,189,638.47
  5. Step 5: Solve for x
    x = 272,263,411,189,638.47/18,503,389.44
  6. Step 6: Final answer
    x = 14,714,245.30

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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.