Finding the Fourth Proportional to 28,102,750.96, 38,760,399.12 and 24,189,167.92
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Solution
The fourth proportional to 28,102,750.96, 38,760,399.12 and 24,189,167.92 is: 33,362,634.29
Step by Step Solution
- Step 1: Write the proportion equation
28,102,750.96 : 38,760,399.12 = 24,189,167.92 : x - Step 2: Convert to fraction form
28,102,750.96/38,760,399.12 = 24,189,167.92/x - Step 3: Cross multiply
28,102,750.96x = 38,760,399.12 × 24,189,167.92 - Step 4: Simplify right side
28,102,750.96x = 937,581,802,959,900.25 - Step 5: Solve for x
x = 937,581,802,959,900.25/28,102,750.96 - Step 6: Final answer
x = 33,362,634.29
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1.5x scale
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.