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Finding the Fourth Proportional to 14,016,978.14, 21,025,635.70 and 5,501,325.02

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Solution

The fourth proportional to 14,016,978.14, 21,025,635.70 and 5,501,325.02 is: 8,252,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016,978.14 : 21,025,635.70 = 5,501,325.02 : x
  2. Step 2: Convert to fraction form
    14,016,978.14/21,025,635.70 = 5,501,325.02/x
  3. Step 3: Cross multiply
    14,016,978.14x = 21,025,635.70 × 5,501,325.02
  4. Step 4: Simplify right side
    14,016,978.14x = 115,668,855,737,815.20
  5. Step 5: Solve for x
    x = 115,668,855,737,815.20/14,016,978.14
  6. Step 6: Final answer
    x = 8,252,053.66

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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.