Home / 12,855,933.39-17,741,459.04-7,054,664.40

Finding the Fourth Proportional to 12,855,933.39, 17,741,459.04 and 7,054,664.40

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Solution

The fourth proportional to 12,855,933.39, 17,741,459.04 and 7,054,664.40 is: 9,735,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,855,933.39 : 17,741,459.04 = 7,054,664.40 : x
  2. Step 2: Convert to fraction form
    12,855,933.39/17,741,459.04 = 7,054,664.40/x
  3. Step 3: Cross multiply
    12,855,933.39x = 17,741,459.04 × 7,054,664.40
  4. Step 4: Simplify right side
    12,855,933.39x = 125,160,039,493,546.17
  5. Step 5: Solve for x
    x = 125,160,039,493,546.17/12,855,933.39
  6. Step 6: Final answer
    x = 9,735,585.56

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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.