Home / 13,305,977.03-18,362,141.34-7,724,741.42

Finding the Fourth Proportional to 13,305,977.03, 18,362,141.34 and 7,724,741.42

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Solution

The fourth proportional to 13,305,977.03, 18,362,141.34 and 7,724,741.42 is: 10,660,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,977.03 : 18,362,141.34 = 7,724,741.42 : x
  2. Step 2: Convert to fraction form
    13,305,977.03/18,362,141.34 = 7,724,741.42/x
  3. Step 3: Cross multiply
    13,305,977.03x = 18,362,141.34 × 7,724,741.42
  4. Step 4: Simplify right side
    13,305,977.03x = 141,842,793,677,181.59
  5. Step 5: Solve for x
    x = 141,842,793,677,181.59/13,305,977.03
  6. Step 6: Final answer
    x = 10,660,081.06

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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.