Finding the Fourth Proportional to 13,321,999.36, 18,384,695.08 and 8,168,202.64
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Solution
The fourth proportional to 13,321,999.36, 18,384,695.08 and 8,168,202.64 is: 11,272,325.63
Step by Step Solution
- Step 1: Write the proportion equation
13,321,999.36 : 18,384,695.08 = 8,168,202.64 : x - Step 2: Convert to fraction form
13,321,999.36/18,384,695.08 = 8,168,202.64/x - Step 3: Cross multiply
13,321,999.36x = 18,384,695.08 × 8,168,202.64 - Step 4: Simplify right side
13,321,999.36x = 150,169,914,888,051 - Step 5: Solve for x
x = 150,169,914,888,051/13,321,999.36 - Step 6: Final answer
x = 11,272,325.63
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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.