Home / 7,106,763.78-9,807,334.02-3,843,578.51

Finding the Fourth Proportional to 7,106,763.78, 9,807,334.02 and 3,843,578.51

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Solution

The fourth proportional to 7,106,763.78, 9,807,334.02 and 3,843,578.51 is: 5,304,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,763.78 : 9,807,334.02 = 3,843,578.51 : x
  2. Step 2: Convert to fraction form
    7,106,763.78/9,807,334.02 = 3,843,578.51/x
  3. Step 3: Cross multiply
    7,106,763.78x = 9,807,334.02 × 3,843,578.51
  4. Step 4: Simplify right side
    7,106,763.78x = 37,695,258,267,404.74
  5. Step 5: Solve for x
    x = 37,695,258,267,404.74/7,106,763.78
  6. Step 6: Final answer
    x = 5,304,138.34

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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.