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Finding the Fourth Proportional to 14,652,005.30, 21,978,007.95 and 10,117,042.10

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Solution

The fourth proportional to 14,652,005.30, 21,978,007.95 and 10,117,042.10 is: 15,175,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,005.30 : 21,978,007.95 = 10,117,042.10 : x
  2. Step 2: Convert to fraction form
    14,652,005.30/21,978,007.95 = 10,117,042.10/x
  3. Step 3: Cross multiply
    14,652,005.30x = 21,978,007.95 × 10,117,042.10
  4. Step 4: Simplify right side
    14,652,005.30x = 222,352,431,704,284.69
  5. Step 5: Solve for x
    x = 222,352,431,704,284.69/14,652,005.30
  6. Step 6: Final answer
    x = 15,175,563.15

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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.