Finding the Fourth Proportional to 47,680,745.70, 71,531,779.98 and 17,388,608.70
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Solution
The fourth proportional to 47,680,745.70, 71,531,779.98 and 17,388,608.70 is: 26,086,801.15
Step by Step Solution
- Step 1: Write the proportion equation
47,680,745.70 : 71,531,779.98 = 17,388,608.70 : x - Step 2: Convert to fraction form
47,680,745.70/71,531,779.98 = 17,388,608.70/x - Step 3: Cross multiply
47,680,745.70x = 71,531,779.98 × 17,388,608.70 - Step 4: Simplify right side
47,680,745.70x = 1,243,838,131,686,713.75 - Step 5: Solve for x
x = 1,243,838,131,686,713.75/47,680,745.70 - Step 6: Final answer
x = 26,086,801.15
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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.