Finding the Fourth Proportional to 36,485,752.36, 50,350,342.90 and 19,965,880.52
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Solution
The fourth proportional to 36,485,752.36, 50,350,342.90 and 19,965,880.52 is: 27,552,917.66
Step by Step Solution
- Step 1: Write the proportion equation
36,485,752.36 : 50,350,342.90 = 19,965,880.52 : x - Step 2: Convert to fraction form
36,485,752.36/50,350,342.90 = 19,965,880.52/x - Step 3: Cross multiply
36,485,752.36x = 50,350,342.90 × 19,965,880.52 - Step 4: Simplify right side
36,485,752.36x = 1,005,288,930,482,430.25 - Step 5: Solve for x
x = 1,005,288,930,482,430.25/36,485,752.36 - Step 6: Final answer
x = 27,552,917.66
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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.