Home / 15,311,431.80-23,001,362.10-12,792,007.80

Finding the Fourth Proportional to 15,311,431.80, 23,001,362.10 and 12,792,007.80

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Solution

The fourth proportional to 15,311,431.80, 23,001,362.10 and 12,792,007.80 is: 19,216,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311,431.80 : 23,001,362.10 = 12,792,007.80 : x
  2. Step 2: Convert to fraction form
    15,311,431.80/23,001,362.10 = 12,792,007.80/x
  3. Step 3: Cross multiply
    15,311,431.80x = 23,001,362.10 × 12,792,007.80
  4. Step 4: Simplify right side
    15,311,431.80x = 294,233,603,393,824.44
  5. Step 5: Solve for x
    x = 294,233,603,393,824.44/15,311,431.80
  6. Step 6: Final answer
    x = 19,216,596.28

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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.