Home / 6,641,071.21-9,166,971.12-3,888,643.32

Finding the Fourth Proportional to 6,641,071.21, 9,166,971.12 and 3,888,643.32

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Solution

The fourth proportional to 6,641,071.21, 9,166,971.12 and 3,888,643.32 is: 5,367,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641,071.21 : 9,166,971.12 = 3,888,643.32 : x
  2. Step 2: Convert to fraction form
    6,641,071.21/9,166,971.12 = 3,888,643.32/x
  3. Step 3: Cross multiply
    6,641,071.21x = 9,166,971.12 × 3,888,643.32
  4. Step 4: Simplify right side
    6,641,071.21x = 35,647,080,954,864.45
  5. Step 5: Solve for x
    x = 35,647,080,954,864.45/6,641,071.21
  6. Step 6: Final answer
    x = 5,367,670.34

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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.