Finding the Fourth Proportional to 21,424,218.71, 32,132,143.49 and 6,847,228.02
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Solution
The fourth proportional to 21,424,218.71, 32,132,143.49 and 6,847,228.02 is: 10,269,504.63
Step by Step Solution
- Step 1: Write the proportion equation
21,424,218.71 : 32,132,143.49 = 6,847,228.02 : x - Step 2: Convert to fraction form
21,424,218.71/32,132,143.49 = 6,847,228.02/x - Step 3: Cross multiply
21,424,218.71x = 32,132,143.49 × 6,847,228.02 - Step 4: Simplify right side
21,424,218.71x = 220,016,113,213,152.44 - Step 5: Solve for x
x = 220,016,113,213,152.44/21,424,218.71 - Step 6: Final answer
x = 10,269,504.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.