Home / 29,720,970.79-41,015,236.78-16,667,949.45

Finding the Fourth Proportional to 29,720,970.79, 41,015,236.78 and 16,667,949.45

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Solution

The fourth proportional to 29,720,970.79, 41,015,236.78 and 16,667,949.45 is: 23,001,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720,970.79 : 41,015,236.78 = 16,667,949.45 : x
  2. Step 2: Convert to fraction form
    29,720,970.79/41,015,236.78 = 16,667,949.45/x
  3. Step 3: Cross multiply
    29,720,970.79x = 41,015,236.78 × 16,667,949.45
  4. Step 4: Simplify right side
    29,720,970.79x = 683,639,893,503,462.88
  5. Step 5: Solve for x
    x = 683,639,893,503,462.88/29,720,970.79
  6. Step 6: Final answer
    x = 23,001,936.86

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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.