Finding the Fourth Proportional to 13,542,305,616.05, 18,688,809,256.00 and 8,115,052,487.02
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Solution
The fourth proportional to 13,542,305,616.05, 18,688,809,256.00 and 8,115,052,487.02 is: 11,199,028,609.48
Step by Step Solution
- Step 1: Write the proportion equation
13,542,305,616.05 : 18,688,809,256.00 = 8,115,052,487.02 : x - Step 2: Convert to fraction form
13,542,305,616.05/18,688,809,256.00 = 8,115,052,487.02/x - Step 3: Cross multiply
13,542,305,616.05x = 18,688,809,256.00 × 8,115,052,487.02 - Step 4: Simplify right side
13,542,305,616.05x = 151,660,668,032,394,395,648 - Step 5: Solve for x
x = 151,660,668,032,394,395,648/13,542,305,616.05 - Step 6: Final answer
x = 11,199,028,609.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.