Home / 13,308,647.38-19,960,968.74-3,722,783.38

Finding the Fourth Proportional to 13,308,647.38, 19,960,968.74 and 3,722,783.38

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Solution

The fourth proportional to 13,308,647.38, 19,960,968.74 and 3,722,783.38 is: 5,583,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,647.38 : 19,960,968.74 = 3,722,783.38 : x
  2. Step 2: Convert to fraction form
    13,308,647.38/19,960,968.74 = 3,722,783.38/x
  3. Step 3: Cross multiply
    13,308,647.38x = 19,960,968.74 × 3,722,783.38
  4. Step 4: Simplify right side
    13,308,647.38x = 74,310,362,673,971.53
  5. Step 5: Solve for x
    x = 74,310,362,673,971.53/13,308,647.38
  6. Step 6: Final answer
    x = 5,583,614.96

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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.