Finding the Fourth Proportional to 27,474,080.74, 37,914,306.03 and 15,084,976.63
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Solution
The fourth proportional to 27,474,080.74, 37,914,306.03 and 15,084,976.63 is: 20,817,308.70
Step by Step Solution
- Step 1: Write the proportion equation
27,474,080.74 : 37,914,306.03 = 15,084,976.63 : x - Step 2: Convert to fraction form
27,474,080.74/37,914,306.03 = 15,084,976.63/x - Step 3: Cross multiply
27,474,080.74x = 37,914,306.03 × 15,084,976.63 - Step 4: Simplify right side
27,474,080.74x = 571,936,420,242,785.75 - Step 5: Solve for x
x = 571,936,420,242,785.75/27,474,080.74 - Step 6: Final answer
x = 20,817,308.70
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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.