Finding the Fourth Proportional to 13,081,201.80, 19,633,466.70 and 7,683,102.60
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Solution
The fourth proportional to 13,081,201.80, 19,633,466.70 and 7,683,102.60 is: 11,531,504.62
Step by Step Solution
- Step 1: Write the proportion equation
13,081,201.80 : 19,633,466.70 = 7,683,102.60 : x - Step 2: Convert to fraction form
13,081,201.80/19,633,466.70 = 7,683,102.60/x - Step 3: Cross multiply
13,081,201.80x = 19,633,466.70 × 7,683,102.60 - Step 4: Simplify right side
13,081,201.80x = 150,845,939,049,783.41 - Step 5: Solve for x
x = 150,845,939,049,783.41/13,081,201.80 - Step 6: Final answer
x = 11,531,504.62
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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.