Finding the Fourth Proportional to 10,873,640.40, 16,319,791.80 and 4,817,691.60
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Solution
The fourth proportional to 10,873,640.40, 16,319,791.80 and 4,817,691.60 is: 7,230,671.70
Step by Step Solution
- Step 1: Write the proportion equation
10,873,640.40 : 16,319,791.80 = 4,817,691.60 : x - Step 2: Convert to fraction form
10,873,640.40/16,319,791.80 = 4,817,691.60/x - Step 3: Cross multiply
10,873,640.40x = 16,319,791.80 × 4,817,691.60 - Step 4: Simplify right side
10,873,640.40x = 78,623,723,868,608.88 - Step 5: Solve for x
x = 78,623,723,868,608.88/10,873,640.40 - Step 6: Final answer
x = 7,230,671.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.