Home / 18,707,634-25,816,612.68-10,122,930

Finding the Fourth Proportional to 18,707,634, 25,816,612.68 and 10,122,930

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Solution

The fourth proportional to 18,707,634, 25,816,612.68 and 10,122,930 is: 13,969,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,634 : 25,816,612.68 = 10,122,930 : x
  2. Step 2: Convert to fraction form
    18,707,634/25,816,612.68 = 10,122,930/x
  3. Step 3: Cross multiply
    18,707,634x = 25,816,612.68 × 10,122,930
  4. Step 4: Simplify right side
    18,707,634x = 261,339,762,996,752.41
  5. Step 5: Solve for x
    x = 261,339,762,996,752.41/18,707,634
  6. Step 6: Final answer
    x = 13,969,685.48

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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.