Finding the Fourth Proportional to 19,555,349.58, 26,991,342.96 and 13,362,902.82
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Solution
The fourth proportional to 19,555,349.58, 26,991,342.96 and 13,362,902.82 is: 18,444,195.61
Step by Step Solution
- Step 1: Write the proportion equation
19,555,349.58 : 26,991,342.96 = 13,362,902.82 : x - Step 2: Convert to fraction form
19,555,349.58/26,991,342.96 = 13,362,902.82/x - Step 3: Cross multiply
19,555,349.58x = 26,991,342.96 × 13,362,902.82 - Step 4: Simplify right side
19,555,349.58x = 360,682,692,955,771.19 - Step 5: Solve for x
x = 360,682,692,955,771.19/19,555,349.58 - Step 6: Final answer
x = 18,444,195.61
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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.