Finding the Fourth Proportional to 11,031,029.72, 16,543,179.12 and 8,866,920.68
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Solution
The fourth proportional to 11,031,029.72, 16,543,179.12 and 8,866,920.68 is: 13,297,675.81
Step by Step Solution
- Step 1: Write the proportion equation
11,031,029.72 : 16,543,179.12 = 8,866,920.68 : x - Step 2: Convert to fraction form
11,031,029.72/16,543,179.12 = 8,866,920.68/x - Step 3: Cross multiply
11,031,029.72x = 16,543,179.12 × 8,866,920.68 - Step 4: Simplify right side
11,031,029.72x = 146,687,057,052,072.19 - Step 5: Solve for x
x = 146,687,057,052,072.19/11,031,029.72 - Step 6: Final answer
x = 13,297,675.81
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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.