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Finding the Fourth Proportional to 14,221,007.92, 19,624,978.23 and 8,027,358.34

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Solution

The fourth proportional to 14,221,007.92, 19,624,978.23 and 8,027,358.34 is: 11,077,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221,007.92 : 19,624,978.23 = 8,027,358.34 : x
  2. Step 2: Convert to fraction form
    14,221,007.92/19,624,978.23 = 8,027,358.34/x
  3. Step 3: Cross multiply
    14,221,007.92x = 19,624,978.23 × 8,027,358.34
  4. Step 4: Simplify right side
    14,221,007.92x = 157,536,732,666,908.94
  5. Step 5: Solve for x
    x = 157,536,732,666,908.94/14,221,007.92
  6. Step 6: Final answer
    x = 11,077,747.34

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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.