Finding the Fourth Proportional to 40,515,943.35, 55,891,078.93 and 27,458,736.87
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Solution
The fourth proportional to 40,515,943.35, 55,891,078.93 and 27,458,736.87 is: 37,878,876.88
Step by Step Solution
- Step 1: Write the proportion equation
40,515,943.35 : 55,891,078.93 = 27,458,736.87 : x - Step 2: Convert to fraction form
40,515,943.35/55,891,078.93 = 27,458,736.87/x - Step 3: Cross multiply
40,515,943.35x = 55,891,078.93 × 27,458,736.87 - Step 4: Simplify right side
40,515,943.35x = 1,534,698,429,439,815.75 - Step 5: Solve for x
x = 1,534,698,429,439,815.75/40,515,943.35 - Step 6: Final answer
x = 37,878,876.88
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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.