Finding the Fourth Proportional to 8,740,231.70, 13,084,937.84 and 5,085,824.09
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Solution
The fourth proportional to 8,740,231.70, 13,084,937.84 and 5,085,824.09 is: 7,613,950.56
Step by Step Solution
- Step 1: Write the proportion equation
8,740,231.70 : 13,084,937.84 = 5,085,824.09 : x - Step 2: Convert to fraction form
8,740,231.70/13,084,937.84 = 5,085,824.09/x - Step 3: Cross multiply
8,740,231.70x = 13,084,937.84 × 5,085,824.09 - Step 4: Simplify right side
8,740,231.70x = 66,547,691,991,970.76 - Step 5: Solve for x
x = 66,547,691,991,970.76/8,740,231.70 - Step 6: Final answer
x = 7,613,950.56
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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.