Finding the Fourth Proportional to 13,319,259, 18,380,577.42 and 7,207,687.50
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Solution
The fourth proportional to 13,319,259, 18,380,577.42 and 7,207,687.50 is: 9,946,608.75
Step by Step Solution
- Step 1: Write the proportion equation
13,319,259 : 18,380,577.42 = 7,207,687.50 : x - Step 2: Convert to fraction form
13,319,259/18,380,577.42 = 7,207,687.50/x - Step 3: Cross multiply
13,319,259x = 18,380,577.42 × 7,207,687.50 - Step 4: Simplify right side
13,319,259x = 132,481,458,112,916.27 - Step 5: Solve for x
x = 132,481,458,112,916.27/13,319,259 - Step 6: Final answer
x = 9,946,608.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.