Finding the Fourth Proportional to 18,514,670.22, 27,776,439.36 and 7,725,969.54
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Solution
The fourth proportional to 18,514,670.22, 27,776,439.36 and 7,725,969.54 is: 11,590,804.58
Step by Step Solution
- Step 1: Write the proportion equation
18,514,670.22 : 27,776,439.36 = 7,725,969.54 : x - Step 2: Convert to fraction form
18,514,670.22/27,776,439.36 = 7,725,969.54/x - Step 3: Cross multiply
18,514,670.22x = 27,776,439.36 × 7,725,969.54 - Step 4: Simplify right side
18,514,670.22x = 214,599,924,425,017.09 - Step 5: Solve for x
x = 214,599,924,425,017.09/18,514,670.22 - Step 6: Final answer
x = 11,590,804.58
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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.