Finding the Fourth Proportional to 11,127,907.80, 16,683,891.30 and 4,298,635.80
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Solution
The fourth proportional to 11,127,907.80, 16,683,891.30 and 4,298,635.80 is: 6,444,874.79
Step by Step Solution
- Step 1: Write the proportion equation
11,127,907.80 : 16,683,891.30 = 4,298,635.80 : x - Step 2: Convert to fraction form
11,127,907.80/16,683,891.30 = 4,298,635.80/x - Step 3: Cross multiply
11,127,907.80x = 16,683,891.30 × 4,298,635.80 - Step 4: Simplify right side
11,127,907.80x = 71,717,972,425,488.55 - Step 5: Solve for x
x = 71,717,972,425,488.55/11,127,907.80 - Step 6: Final answer
x = 6,444,874.79
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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.