Home / 23,160,916.80-31,965,892.32-12,850,961.28

Finding the Fourth Proportional to 23,160,916.80, 31,965,892.32 and 12,850,961.28

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Solution

The fourth proportional to 23,160,916.80, 31,965,892.32 and 12,850,961.28 is: 17,736,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160,916.80 : 31,965,892.32 = 12,850,961.28 : x
  2. Step 2: Convert to fraction form
    23,160,916.80/31,965,892.32 = 12,850,961.28/x
  3. Step 3: Cross multiply
    23,160,916.80x = 31,965,892.32 × 12,850,961.28
  4. Step 4: Simplify right side
    23,160,916.80x = 410,792,444,484,969.38
  5. Step 5: Solve for x
    x = 410,792,444,484,969.38/23,160,916.80
  6. Step 6: Final answer
    x = 17,736,450.07

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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.