Finding the Fourth Proportional to 20,851,747.80, 31,282,830.12 and 14,715,706.08
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Solution
The fourth proportional to 20,851,747.80, 31,282,830.12 and 14,715,706.08 is: 22,077,234.86
Step by Step Solution
- Step 1: Write the proportion equation
20,851,747.80 : 31,282,830.12 = 14,715,706.08 : x - Step 2: Convert to fraction form
20,851,747.80/31,282,830.12 = 14,715,706.08/x - Step 3: Cross multiply
20,851,747.80x = 31,282,830.12 × 14,715,706.08 - Step 4: Simplify right side
20,851,747.80x = 460,348,933,396,491.12 - Step 5: Solve for x
x = 460,348,933,396,491.12/20,851,747.80 - Step 6: Final answer
x = 22,077,234.86
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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.