Home / 6,872,603.22-9,483,639.12-3,972,181.95

Finding the Fourth Proportional to 6,872,603.22, 9,483,639.12 and 3,972,181.95

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Solution

The fourth proportional to 6,872,603.22, 9,483,639.12 and 3,972,181.95 is: 5,481,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,603.22 : 9,483,639.12 = 3,972,181.95 : x
  2. Step 2: Convert to fraction form
    6,872,603.22/9,483,639.12 = 3,972,181.95/x
  3. Step 3: Cross multiply
    6,872,603.22x = 9,483,639.12 × 3,972,181.95
  4. Step 4: Simplify right side
    6,872,603.22x = 37,670,740,132,777.88
  5. Step 5: Solve for x
    x = 37,670,740,132,777.88/6,872,603.22
  6. Step 6: Final answer
    x = 5,481,291.28

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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.