Finding the Fourth Proportional to 17,744,217.21, 24,477,710.76 and 15,415,878.24
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Solution
The fourth proportional to 17,744,217.21, 24,477,710.76 and 15,415,878.24 is: 21,265,824.48
Step by Step Solution
- Step 1: Write the proportion equation
17,744,217.21 : 24,477,710.76 = 15,415,878.24 : x - Step 2: Convert to fraction form
17,744,217.21/24,477,710.76 = 15,415,878.24/x - Step 3: Cross multiply
17,744,217.21x = 24,477,710.76 × 15,415,878.24 - Step 4: Simplify right side
17,744,217.21x = 377,345,408,670,097.88 - Step 5: Solve for x
x = 377,345,408,670,097.88/17,744,217.21 - Step 6: Final answer
x = 21,265,824.48
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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.