Finding the Fourth Proportional to 13,118,906.70, 19,686,654.45 and 7,727,546.70
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Solution
The fourth proportional to 13,118,906.70, 19,686,654.45 and 7,727,546.70 is: 11,596,205.77
Step by Step Solution
- Step 1: Write the proportion equation
13,118,906.70 : 19,686,654.45 = 7,727,546.70 : x - Step 2: Convert to fraction form
13,118,906.70/19,686,654.45 = 7,727,546.70/x - Step 3: Cross multiply
13,118,906.70x = 19,686,654.45 × 7,727,546.70 - Step 4: Simplify right side
13,118,906.70x = 152,129,541,629,137.81 - Step 5: Solve for x
x = 152,129,541,629,137.81/13,118,906.70 - Step 6: Final answer
x = 11,596,205.77
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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.