Home / 38,286,513.19-52,839,855.04-21,769,112.65

Finding the Fourth Proportional to 38,286,513.19, 52,839,855.04 and 21,769,112.65

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Solution

The fourth proportional to 38,286,513.19, 52,839,855.04 and 21,769,112.65 is: 30,043,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286,513.19 : 52,839,855.04 = 21,769,112.65 : x
  2. Step 2: Convert to fraction form
    38,286,513.19/52,839,855.04 = 21,769,112.65/x
  3. Step 3: Cross multiply
    38,286,513.19x = 52,839,855.04 × 21,769,112.65
  4. Step 4: Simplify right side
    38,286,513.19x = 1,150,276,756,938,576.25
  5. Step 5: Solve for x
    x = 1,150,276,756,938,576.25/38,286,513.19
  6. Step 6: Final answer
    x = 30,043,915.23

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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.