Finding the Fourth Proportional to 13,744,604.18, 18,965,277.96 and 7,943,926.08
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Solution
The fourth proportional to 13,744,604.18, 18,965,277.96 and 7,943,926.08 is: 10,961,302.65
Step by Step Solution
- Step 1: Write the proportion equation
13,744,604.18 : 18,965,277.96 = 7,943,926.08 : x - Step 2: Convert to fraction form
13,744,604.18/18,965,277.96 = 7,943,926.08/x - Step 3: Cross multiply
13,744,604.18x = 18,965,277.96 × 7,943,926.08 - Step 4: Simplify right side
13,744,604.18x = 150,658,766,200,893.22 - Step 5: Solve for x
x = 150,658,766,200,893.22/13,744,604.18 - Step 6: Final answer
x = 10,961,302.65
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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.