Finding the Fourth Proportional to 16,379,272.80, 24,472,961.69 and 15,806,454.44
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Solution
The fourth proportional to 16,379,272.80, 24,472,961.69 and 15,806,454.44 is: 23,617,089.63
Step by Step Solution
- Step 1: Write the proportion equation
16,379,272.80 : 24,472,961.69 = 15,806,454.44 : x - Step 2: Convert to fraction form
16,379,272.80/24,472,961.69 = 15,806,454.44/x - Step 3: Cross multiply
16,379,272.80x = 24,472,961.69 × 15,806,454.44 - Step 4: Simplify right side
16,379,272.80x = 386,830,753,763,453.31 - Step 5: Solve for x
x = 386,830,753,763,453.31/16,379,272.80 - Step 6: Final answer
x = 23,617,089.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.