Finding the Fourth Proportional to 18,374,802.18, 27,560,103.66 and 4,912,679.94
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Solution
The fourth proportional to 18,374,802.18, 27,560,103.66 and 4,912,679.94 is: 7,368,458.56
Step by Step Solution
- Step 1: Write the proportion equation
18,374,802.18 : 27,560,103.66 = 4,912,679.94 : x - Step 2: Convert to fraction form
18,374,802.18/27,560,103.66 = 4,912,679.94/x - Step 3: Cross multiply
18,374,802.18x = 27,560,103.66 × 4,912,679.94 - Step 4: Simplify right side
18,374,802.18x = 135,393,968,394,802.59 - Step 5: Solve for x
x = 135,393,968,394,802.59/18,374,802.18 - Step 6: Final answer
x = 7,368,458.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.