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Finding the Fourth Proportional to 15,788,274.12, 23,639,830.62 and 10,309,797.78

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Solution

The fourth proportional to 15,788,274.12, 23,639,830.62 and 10,309,797.78 is: 15,436,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788,274.12 : 23,639,830.62 = 10,309,797.78 : x
  2. Step 2: Convert to fraction form
    15,788,274.12/23,639,830.62 = 10,309,797.78/x
  3. Step 3: Cross multiply
    15,788,274.12x = 23,639,830.62 × 10,309,797.78
  4. Step 4: Simplify right side
    15,788,274.12x = 243,721,873,245,652.03
  5. Step 5: Solve for x
    x = 243,721,873,245,652.03/15,788,274.12
  6. Step 6: Final answer
    x = 15,436,891.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.