Home / 8,891,236-12,269,828.64-4,816,845.28

Finding the Fourth Proportional to 8,891,236, 12,269,828.64 and 4,816,845.28

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Solution

The fourth proportional to 8,891,236, 12,269,828.64 and 4,816,845.28 is: 6,647,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891,236 : 12,269,828.64 = 4,816,845.28 : x
  2. Step 2: Convert to fraction form
    8,891,236/12,269,828.64 = 4,816,845.28/x
  3. Step 3: Cross multiply
    8,891,236x = 12,269,828.64 × 4,816,845.28
  4. Step 4: Simplify right side
    8,891,236x = 59,101,866,170,992.83
  5. Step 5: Solve for x
    x = 59,101,866,170,992.83/8,891,236
  6. Step 6: Final answer
    x = 6,647,204.75

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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.