Finding the Fourth Proportional to 18,104,883.12, 24,985,212.21 and 9,845,428.44
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Solution
The fourth proportional to 18,104,883.12, 24,985,212.21 and 9,845,428.44 is: 13,586,948.74
Step by Step Solution
- Step 1: Write the proportion equation
18,104,883.12 : 24,985,212.21 = 9,845,428.44 : x - Step 2: Convert to fraction form
18,104,883.12/24,985,212.21 = 9,845,428.44/x - Step 3: Cross multiply
18,104,883.12x = 24,985,212.21 × 9,845,428.44 - Step 4: Simplify right side
18,104,883.12x = 245,990,118,871,769.25 - Step 5: Solve for x
x = 245,990,118,871,769.25/18,104,883.12 - Step 6: Final answer
x = 13,586,948.74
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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.