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Finding the Fourth Proportional to 8,891,362.84, 12,270,093.21 and 4,816,981.84

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Solution

The fourth proportional to 8,891,362.84, 12,270,093.21 and 4,816,981.84 is: 6,647,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891,362.84 : 12,270,093.21 = 4,816,981.84 : x
  2. Step 2: Convert to fraction form
    8,891,362.84/12,270,093.21 = 4,816,981.84/x
  3. Step 3: Cross multiply
    8,891,362.84x = 12,270,093.21 × 4,816,981.84
  4. Step 4: Simplify right side
    8,891,362.84x = 59,104,816,106,326.84
  5. Step 5: Solve for x
    x = 59,104,816,106,326.84/8,891,362.84
  6. Step 6: Final answer
    x = 6,647,441.70

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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.