Home / 18,576,544-25,635,531.72-10,204,078.72

Finding the Fourth Proportional to 18,576,544, 25,635,531.72 and 10,204,078.72

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Solution

The fourth proportional to 18,576,544, 25,635,531.72 and 10,204,078.72 is: 14,081,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576,544 : 25,635,531.72 = 10,204,078.72 : x
  2. Step 2: Convert to fraction form
    18,576,544/25,635,531.72 = 10,204,078.72/x
  3. Step 3: Cross multiply
    18,576,544x = 25,635,531.72 × 10,204,078.72
  4. Step 4: Simplify right side
    18,576,544x = 261,586,983,699,937
  5. Step 5: Solve for x
    x = 261,586,983,699,937/18,576,544
  6. Step 6: Final answer
    x = 14,081,574.25

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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.