Home / 18,519,010.63-25,556,231.30-10,259,609.68

Finding the Fourth Proportional to 18,519,010.63, 25,556,231.30 and 10,259,609.68

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Solution

The fourth proportional to 18,519,010.63, 25,556,231.30 and 10,259,609.68 is: 14,158,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,010.63 : 25,556,231.30 = 10,259,609.68 : x
  2. Step 2: Convert to fraction form
    18,519,010.63/25,556,231.30 = 10,259,609.68/x
  3. Step 3: Cross multiply
    18,519,010.63x = 25,556,231.30 × 10,259,609.68
  4. Step 4: Simplify right side
    18,519,010.63x = 262,196,958,010,446.25
  5. Step 5: Solve for x
    x = 262,196,958,010,446.25/18,519,010.63
  6. Step 6: Final answer
    x = 14,158,259.49

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Double scale
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1.5x scale

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.