Home / 21,963,688.78-30,309,838.20-12,040,553.84

Finding the Fourth Proportional to 21,963,688.78, 30,309,838.20 and 12,040,553.84

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Solution

The fourth proportional to 21,963,688.78, 30,309,838.20 and 12,040,553.84 is: 16,615,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963,688.78 : 30,309,838.20 = 12,040,553.84 : x
  2. Step 2: Convert to fraction form
    21,963,688.78/30,309,838.20 = 12,040,553.84/x
  3. Step 3: Cross multiply
    21,963,688.78x = 30,309,838.20 × 12,040,553.84
  4. Step 4: Simplify right side
    21,963,688.78x = 364,947,238,728,788.69
  5. Step 5: Solve for x
    x = 364,947,238,728,788.69/21,963,688.78
  6. Step 6: Final answer
    x = 16,615,935.62

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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.