Finding the Fourth Proportional to 27,319,343.07, 37,699,213.26 and 15,095,412.75
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Solution
The fourth proportional to 27,319,343.07, 37,699,213.26 and 15,095,412.75 is: 20,830,851.72
Step by Step Solution
- Step 1: Write the proportion equation
27,319,343.07 : 37,699,213.26 = 15,095,412.75 : x - Step 2: Convert to fraction form
27,319,343.07/37,699,213.26 = 15,095,412.75/x - Step 3: Cross multiply
27,319,343.07x = 37,699,213.26 × 15,095,412.75 - Step 4: Simplify right side
27,319,343.07x = 569,085,184,509,973 - Step 5: Solve for x
x = 569,085,184,509,973/27,319,343.07 - Step 6: Final answer
x = 20,830,851.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.