Finding the Fourth Proportional to 15,179,626.74, 20,948,379.99 and 8,304,108.80
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Solution
The fourth proportional to 15,179,626.74, 20,948,379.99 and 8,304,108.80 is: 11,459,940.99
Step by Step Solution
- Step 1: Write the proportion equation
15,179,626.74 : 20,948,379.99 = 8,304,108.80 : x - Step 2: Convert to fraction form
15,179,626.74/20,948,379.99 = 8,304,108.80/x - Step 3: Cross multiply
15,179,626.74x = 20,948,379.99 × 8,304,108.80 - Step 4: Simplify right side
15,179,626.74x = 173,957,626,620,702.91 - Step 5: Solve for x
x = 173,957,626,620,702.91/15,179,626.74 - Step 6: Final answer
x = 11,459,940.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.