Home / 13,415,243.36-20,122,435.36-5,638,277.04

Finding the Fourth Proportional to 13,415,243.36, 20,122,435.36 and 5,638,277.04

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Solution

The fourth proportional to 13,415,243.36, 20,122,435.36 and 5,638,277.04 is: 8,457,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415,243.36 : 20,122,435.36 = 5,638,277.04 : x
  2. Step 2: Convert to fraction form
    13,415,243.36/20,122,435.36 = 5,638,277.04/x
  3. Step 3: Cross multiply
    13,415,243.36x = 20,122,435.36 × 5,638,277.04
  4. Step 4: Simplify right side
    13,415,243.36x = 113,455,865,279,172.12
  5. Step 5: Solve for x
    x = 113,455,865,279,172.12/13,415,243.36
  6. Step 6: Final answer
    x = 8,457,234.97

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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.