Home / 6,890,720.51-9,509,194.31-3,835,656.47

Finding the Fourth Proportional to 6,890,720.51, 9,509,194.31 and 3,835,656.47

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Solution

The fourth proportional to 6,890,720.51, 9,509,194.31 and 3,835,656.47 is: 5,293,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890,720.51 : 9,509,194.31 = 3,835,656.47 : x
  2. Step 2: Convert to fraction form
    6,890,720.51/9,509,194.31 = 3,835,656.47/x
  3. Step 3: Cross multiply
    6,890,720.51x = 9,509,194.31 × 3,835,656.47
  4. Step 4: Simplify right side
    6,890,720.51x = 36,474,002,629,102.47
  5. Step 5: Solve for x
    x = 36,474,002,629,102.47/6,890,720.51
  6. Step 6: Final answer
    x = 5,293,205.93

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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.