Home / 13,347,464.21-18,419,645.59-7,841,071.15

Finding the Fourth Proportional to 13,347,464.21, 18,419,645.59 and 7,841,071.15

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Solution

The fourth proportional to 13,347,464.21, 18,419,645.59 and 7,841,071.15 is: 10,820,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,464.21 : 18,419,645.59 = 7,841,071.15 : x
  2. Step 2: Convert to fraction form
    13,347,464.21/18,419,645.59 = 7,841,071.15/x
  3. Step 3: Cross multiply
    13,347,464.21x = 18,419,645.59 × 7,841,071.15
  4. Step 4: Simplify right side
    13,347,464.21x = 144,429,751,628,973.72
  5. Step 5: Solve for x
    x = 144,429,751,628,973.72/13,347,464.21
  6. Step 6: Final answer
    x = 10,820,763.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.