Home / 13,483,623.78-20,223,221.22-5,805,201.15

Finding the Fourth Proportional to 13,483,623.78, 20,223,221.22 and 5,805,201.15

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Solution

The fourth proportional to 13,483,623.78, 20,223,221.22 and 5,805,201.15 is: 8,706,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,623.78 : 20,223,221.22 = 5,805,201.15 : x
  2. Step 2: Convert to fraction form
    13,483,623.78/20,223,221.22 = 5,805,201.15/x
  3. Step 3: Cross multiply
    13,483,623.78x = 20,223,221.22 × 5,805,201.15
  4. Step 4: Simplify right side
    13,483,623.78x = 117,399,867,083,048.41
  5. Step 5: Solve for x
    x = 117,399,867,083,048.41/13,483,623.78
  6. Step 6: Final answer
    x = 8,706,848.32

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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.