Home / 13,838,409.70-20,749,583.82-6,551,808.28

Finding the Fourth Proportional to 13,838,409.70, 20,749,583.82 and 6,551,808.28

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Solution

The fourth proportional to 13,838,409.70, 20,749,583.82 and 6,551,808.28 is: 9,823,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838,409.70 : 20,749,583.82 = 6,551,808.28 : x
  2. Step 2: Convert to fraction form
    13,838,409.70/20,749,583.82 = 6,551,808.28/x
  3. Step 3: Cross multiply
    13,838,409.70x = 20,749,583.82 × 6,551,808.28
  4. Step 4: Simplify right side
    13,838,409.70x = 135,947,295,078,430.03
  5. Step 5: Solve for x
    x = 135,947,295,078,430.03/13,838,409.70
  6. Step 6: Final answer
    x = 9,823,910.26

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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.