Home / 14,273,440.80-19,697,369.88-7,747,072.60

Finding the Fourth Proportional to 14,273,440.80, 19,697,369.88 and 7,747,072.60

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Solution

The fourth proportional to 14,273,440.80, 19,697,369.88 and 7,747,072.60 is: 10,690,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273,440.80 : 19,697,369.88 = 7,747,072.60 : x
  2. Step 2: Convert to fraction form
    14,273,440.80/19,697,369.88 = 7,747,072.60/x
  3. Step 3: Cross multiply
    14,273,440.80x = 19,697,369.88 × 7,747,072.60
  4. Step 4: Simplify right side
    14,273,440.80x = 152,596,954,489,413.28
  5. Step 5: Solve for x
    x = 152,596,954,489,413.28/14,273,440.80
  6. Step 6: Final answer
    x = 10,690,971.90

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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.