Finding the Fourth Proportional to 13,702,619.94, 18,908,237.61 and 7,589,906.34
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Solution
The fourth proportional to 13,702,619.94, 18,908,237.61 and 7,589,906.34 is: 10,473,307.52
Step by Step Solution
- Step 1: Write the proportion equation
13,702,619.94 : 18,908,237.61 = 7,589,906.34 : x - Step 2: Convert to fraction form
13,702,619.94/18,908,237.61 = 7,589,906.34/x - Step 3: Cross multiply
13,702,619.94x = 18,908,237.61 × 7,589,906.34 - Step 4: Simplify right side
13,702,619.94x = 143,511,752,514,365.44 - Step 5: Solve for x
x = 143,511,752,514,365.44/13,702,619.94 - Step 6: Final answer
x = 10,473,307.52
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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.