Home / 7,782,720.84-11,622,985.62-6,633,233.64

Finding the Fourth Proportional to 7,782,720.84, 11,622,985.62 and 6,633,233.64

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Solution

The fourth proportional to 7,782,720.84, 11,622,985.62 and 6,633,233.64 is: 9,906,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,720.84 : 11,622,985.62 = 6,633,233.64 : x
  2. Step 2: Convert to fraction form
    7,782,720.84/11,622,985.62 = 6,633,233.64/x
  3. Step 3: Cross multiply
    7,782,720.84x = 11,622,985.62 × 6,633,233.64
  4. Step 4: Simplify right side
    7,782,720.84x = 77,097,979,211,820.25
  5. Step 5: Solve for x
    x = 77,097,979,211,820.25/7,782,720.84
  6. Step 6: Final answer
    x = 9,906,301.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.