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Finding the Fourth Proportional to 18,707,598, 25,816,563 and 10,122,894

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Solution

The fourth proportional to 18,707,598, 25,816,563 and 10,122,894 is: 13,969,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,598 : 25,816,563 = 10,122,894 : x
  2. Step 2: Convert to fraction form
    18,707,598/25,816,563 = 10,122,894/x
  3. Step 3: Cross multiply
    18,707,598x = 25,816,563 × 10,122,894
  4. Step 4: Simplify right side
    18,707,598x = 261,338,330,693,322
  5. Step 5: Solve for x
    x = 261,338,330,693,322/18,707,598
  6. Step 6: Final answer
    x = 13,969,635.80

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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.