Home / 6,371,540.40-8,792,721.88-3,509,972.40

Finding the Fourth Proportional to 6,371,540.40, 8,792,721.88 and 3,509,972.40

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Solution

The fourth proportional to 6,371,540.40, 8,792,721.88 and 3,509,972.40 is: 4,843,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371,540.40 : 8,792,721.88 = 3,509,972.40 : x
  2. Step 2: Convert to fraction form
    6,371,540.40/8,792,721.88 = 3,509,972.40/x
  3. Step 3: Cross multiply
    6,371,540.40x = 8,792,721.88 × 3,509,972.40
  4. Step 4: Simplify right side
    6,371,540.40x = 30,862,211,119,676.11
  5. Step 5: Solve for x
    x = 30,862,211,119,676.11/6,371,540.40
  6. Step 6: Final answer
    x = 4,843,759.78

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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.