Home / 6,659,150.31-9,989,985.42-2,111,344.56

Finding the Fourth Proportional to 6,659,150.31, 9,989,985.42 and 2,111,344.56

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Solution

The fourth proportional to 6,659,150.31, 9,989,985.42 and 2,111,344.56 is: 3,167,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,150.31 : 9,989,985.42 = 2,111,344.56 : x
  2. Step 2: Convert to fraction form
    6,659,150.31/9,989,985.42 = 2,111,344.56/x
  3. Step 3: Cross multiply
    6,659,150.31x = 9,989,985.42 × 2,111,344.56
  4. Step 4: Simplify right side
    6,659,150.31x = 21,092,301,370,996.32
  5. Step 5: Solve for x
    x = 21,092,301,370,996.32/6,659,150.31
  6. Step 6: Final answer
    x = 3,167,416.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.