Finding the Fourth Proportional to 46,270,275.48, 69,405,408.93 and 20,362,576.80
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Solution
The fourth proportional to 46,270,275.48, 69,405,408.93 and 20,362,576.80 is: 30,543,863.31
Step by Step Solution
- Step 1: Write the proportion equation
46,270,275.48 : 69,405,408.93 = 20,362,576.80 : x - Step 2: Convert to fraction form
46,270,275.48/69,405,408.93 = 20,362,576.80/x - Step 3: Cross multiply
46,270,275.48x = 69,405,408.93 × 20,362,576.80 - Step 4: Simplify right side
46,270,275.48x = 1,413,272,969,672,531 - Step 5: Solve for x
x = 1,413,272,969,672,531/46,270,275.48 - Step 6: Final answer
x = 30,543,863.31
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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.