Home / 38,494,786.41-57,742,917.73-12,587,185.28

Finding the Fourth Proportional to 38,494,786.41, 57,742,917.73 and 12,587,185.28

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Solution

The fourth proportional to 38,494,786.41, 57,742,917.73 and 12,587,185.28 is: 18,881,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494,786.41 : 57,742,917.73 = 12,587,185.28 : x
  2. Step 2: Convert to fraction form
    38,494,786.41/57,742,917.73 = 12,587,185.28/x
  3. Step 3: Cross multiply
    38,494,786.41x = 57,742,917.73 × 12,587,185.28
  4. Step 4: Simplify right side
    38,494,786.41x = 726,820,804,188,196.38
  5. Step 5: Solve for x
    x = 726,820,804,188,196.38/38,494,786.41
  6. Step 6: Final answer
    x = 18,881,019.27

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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.