Finding the Fourth Proportional to 10,318,231.80, 15,473,411.10 and 3,127,375.80
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Solution
The fourth proportional to 10,318,231.80, 15,473,411.10 and 3,127,375.80 is: 4,689,870.55
Step by Step Solution
- Step 1: Write the proportion equation
10,318,231.80 : 15,473,411.10 = 3,127,375.80 : x - Step 2: Convert to fraction form
10,318,231.80/15,473,411.10 = 3,127,375.80/x - Step 3: Cross multiply
10,318,231.80x = 15,473,411.10 × 3,127,375.80 - Step 4: Simplify right side
10,318,231.80x = 48,391,171,417,591.38 - Step 5: Solve for x
x = 48,391,171,417,591.38/10,318,231.80 - Step 6: Final answer
x = 4,689,870.55
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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.