Finding the Fourth Proportional to 23,629,574.24, 32,614,879.20 and 15,390,167.84
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Solution
The fourth proportional to 23,629,574.24, 32,614,879.20 and 15,390,167.84 is: 21,242,382.95
Step by Step Solution
- Step 1: Write the proportion equation
23,629,574.24 : 32,614,879.20 = 15,390,167.84 : x - Step 2: Convert to fraction form
23,629,574.24/32,614,879.20 = 15,390,167.84/x - Step 3: Cross multiply
23,629,574.24x = 32,614,879.20 × 15,390,167.84 - Step 4: Simplify right side
23,629,574.24x = 501,948,464,969,324.94 - Step 5: Solve for x
x = 501,948,464,969,324.94/23,629,574.24 - Step 6: Final answer
x = 21,242,382.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.