Finding the Fourth Proportional to 8,864,140.98, 13,296,211.68 and 2,132,554.98
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Solution
The fourth proportional to 8,864,140.98, 13,296,211.68 and 2,132,554.98 is: 3,198,832.52
Step by Step Solution
- Step 1: Write the proportion equation
8,864,140.98 : 13,296,211.68 = 2,132,554.98 : x - Step 2: Convert to fraction form
8,864,140.98/13,296,211.68 = 2,132,554.98/x - Step 3: Cross multiply
8,864,140.98x = 13,296,211.68 × 2,132,554.98 - Step 4: Simplify right side
8,864,140.98x = 28,354,902,433,318.16 - Step 5: Solve for x
x = 28,354,902,433,318.16/8,864,140.98 - Step 6: Final answer
x = 3,198,832.52
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.