Home / 30,432,956.73-45,541,676.94-18,923,843.72

Finding the Fourth Proportional to 30,432,956.73, 45,541,676.94 and 18,923,843.72

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Solution

The fourth proportional to 30,432,956.73, 45,541,676.94 and 18,923,843.72 is: 28,318,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432,956.73 : 45,541,676.94 = 18,923,843.72 : x
  2. Step 2: Convert to fraction form
    30,432,956.73/45,541,676.94 = 18,923,843.72/x
  3. Step 3: Cross multiply
    30,432,956.73x = 45,541,676.94 × 18,923,843.72
  4. Step 4: Simplify right side
    30,432,956.73x = 861,823,576,931,579.38
  5. Step 5: Solve for x
    x = 861,823,576,931,579.38/30,432,956.73
  6. Step 6: Final answer
    x = 28,318,759.32

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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.