Home / 18,561,676.68-25,615,288.66-10,413,089.64

Finding the Fourth Proportional to 18,561,676.68, 25,615,288.66 and 10,413,089.64

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Solution

The fourth proportional to 18,561,676.68, 25,615,288.66 and 10,413,089.64 is: 14,370,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561,676.68 : 25,615,288.66 = 10,413,089.64 : x
  2. Step 2: Convert to fraction form
    18,561,676.68/25,615,288.66 = 10,413,089.64/x
  3. Step 3: Cross multiply
    18,561,676.68x = 25,615,288.66 × 10,413,089.64
  4. Step 4: Simplify right side
    18,561,676.68x = 266,734,296,971,055.50
  5. Step 5: Solve for x
    x = 266,734,296,971,055.50/18,561,676.68
  6. Step 6: Final answer
    x = 14,370,161.79

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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.