Home / 6,462,800.82-8,918,140.71-3,746,721.78

Finding the Fourth Proportional to 6,462,800.82, 8,918,140.71 and 3,746,721.78

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Solution

The fourth proportional to 6,462,800.82, 8,918,140.71 and 3,746,721.78 is: 5,170,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462,800.82 : 8,918,140.71 = 3,746,721.78 : x
  2. Step 2: Convert to fraction form
    6,462,800.82/8,918,140.71 = 3,746,721.78/x
  3. Step 3: Cross multiply
    6,462,800.82x = 8,918,140.71 × 3,746,721.78
  4. Step 4: Simplify right side
    6,462,800.82x = 33,413,792,035,261.66
  5. Step 5: Solve for x
    x = 33,413,792,035,261.66/6,462,800.82
  6. Step 6: Final answer
    x = 5,170,172.03

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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.