Finding the Fourth Proportional to 27,759,178.69, 38,239,218.75 and 23,615,939.99
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Solution
The fourth proportional to 27,759,178.69, 38,239,218.75 and 23,615,939.99 is: 32,531,765.64
Step by Step Solution
- Step 1: Write the proportion equation
27,759,178.69 : 38,239,218.75 = 23,615,939.99 : x - Step 2: Convert to fraction form
27,759,178.69/38,239,218.75 = 23,615,939.99/x - Step 3: Cross multiply
27,759,178.69x = 38,239,218.75 × 23,615,939.99 - Step 4: Simplify right side
27,759,178.69x = 903,055,095,448,640.50 - Step 5: Solve for x
x = 903,055,095,448,640.50/27,759,178.69 - Step 6: Final answer
x = 32,531,765.64
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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.