Finding the Fourth Proportional to 27,722,157.84, 38,241,218.88 and 16,118,438.58
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Solution
The fourth proportional to 27,722,157.84, 38,241,218.88 and 16,118,438.58 is: 22,234,515.12
Step by Step Solution
- Step 1: Write the proportion equation
27,722,157.84 : 38,241,218.88 = 16,118,438.58 : x - Step 2: Convert to fraction form
27,722,157.84/38,241,218.88 = 16,118,438.58/x - Step 3: Cross multiply
27,722,157.84x = 38,241,218.88 × 16,118,438.58 - Step 4: Simplify right side
27,722,157.84x = 616,388,737,741,616.38 - Step 5: Solve for x
x = 616,388,737,741,616.38/27,722,157.84 - Step 6: Final answer
x = 22,234,515.12
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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.