Finding the Fourth Proportional to 17,744,220.72, 24,477,715.58 and 15,415,881.74
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Solution
The fourth proportional to 17,744,220.72, 24,477,715.58 and 15,415,881.74 is: 21,265,829.29
Step by Step Solution
- Step 1: Write the proportion equation
17,744,220.72 : 24,477,715.58 = 15,415,881.74 : x - Step 2: Convert to fraction form
17,744,220.72/24,477,715.58 = 15,415,881.74/x - Step 3: Cross multiply
17,744,220.72x = 24,477,715.58 × 15,415,881.74 - Step 4: Simplify right side
17,744,220.72x = 377,345,568,646,635.50 - Step 5: Solve for x
x = 377,345,568,646,635.50/17,744,220.72 - Step 6: Final answer
x = 21,265,829.29
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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.