Finding the Fourth Proportional to 7,768,236.62, 11,652,391.79 and 2,376,878.44
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Solution
The fourth proportional to 7,768,236.62, 11,652,391.79 and 2,376,878.44 is: 3,565,328.94
Step by Step Solution
- Step 1: Write the proportion equation
7,768,236.62 : 11,652,391.79 = 2,376,878.44 : x - Step 2: Convert to fraction form
7,768,236.62/11,652,391.79 = 2,376,878.44/x - Step 3: Cross multiply
7,768,236.62x = 11,652,391.79 × 2,376,878.44 - Step 4: Simplify right side
7,768,236.62x = 27,696,318,808,199.61 - Step 5: Solve for x
x = 27,696,318,808,199.61/7,768,236.62 - Step 6: Final answer
x = 3,565,328.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.