Finding the Fourth Proportional to 13,702,616.44, 18,908,232.77 and 7,589,902.84
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Solution
The fourth proportional to 13,702,616.44, 18,908,232.77 and 7,589,902.84 is: 10,473,302.69
Step by Step Solution
- Step 1: Write the proportion equation
13,702,616.44 : 18,908,232.77 = 7,589,902.84 : x - Step 2: Convert to fraction form
13,702,616.44/18,908,232.77 = 7,589,902.84/x - Step 3: Cross multiply
13,702,616.44x = 18,908,232.77 × 7,589,902.84 - Step 4: Simplify right side
13,702,616.44x = 143,511,649,600,404.06 - Step 5: Solve for x
x = 143,511,649,600,404.06/13,702,616.44 - Step 6: Final answer
x = 10,473,302.69
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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.