Home / 22,311,951.75-30,792,017.84-12,389,346.45

Finding the Fourth Proportional to 22,311,951.75, 30,792,017.84 and 12,389,346.45

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Solution

The fourth proportional to 22,311,951.75, 30,792,017.84 and 12,389,346.45 is: 17,098,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,311,951.75 : 30,792,017.84 = 12,389,346.45 : x
  2. Step 2: Convert to fraction form
    22,311,951.75/30,792,017.84 = 12,389,346.45/x
  3. Step 3: Cross multiply
    22,311,951.75x = 30,792,017.84 × 12,389,346.45
  4. Step 4: Simplify right side
    22,311,951.75x = 381,492,976,852,393.94
  5. Step 5: Solve for x
    x = 381,492,976,852,393.94/22,311,951.75
  6. Step 6: Final answer
    x = 17,098,144.58

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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.