Home / 31,653,916.38-47,480,800.75-20,792,664.75

Finding the Fourth Proportional to 31,653,916.38, 47,480,800.75 and 20,792,664.75

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Solution

The fourth proportional to 31,653,916.38, 47,480,800.75 and 20,792,664.75 is: 31,188,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653,916.38 : 47,480,800.75 = 20,792,664.75 : x
  2. Step 2: Convert to fraction form
    31,653,916.38/47,480,800.75 = 20,792,664.75/x
  3. Step 3: Cross multiply
    31,653,916.38x = 47,480,800.75 × 20,792,664.75
  4. Step 4: Simplify right side
    31,653,916.38x = 987,252,372,056,298.50
  5. Step 5: Solve for x
    x = 987,252,372,056,298.50/31,653,916.38
  6. Step 6: Final answer
    x = 31,188,948.63

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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.