Finding the Fourth Proportional to 37,701,557.80, 56,552,336.70 and 28,135,619.80
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Solution
The fourth proportional to 37,701,557.80, 56,552,336.70 and 28,135,619.80 is: 42,203,429.70
Step by Step Solution
- Step 1: Write the proportion equation
37,701,557.80 : 56,552,336.70 = 28,135,619.80 : x - Step 2: Convert to fraction form
37,701,557.80/56,552,336.70 = 28,135,619.80/x - Step 3: Cross multiply
37,701,557.80x = 56,552,336.70 × 28,135,619.80 - Step 4: Simplify right side
37,701,557.80x = 1,591,135,044,192,786.75 - Step 5: Solve for x
x = 1,591,135,044,192,786.75/37,701,557.80 - Step 6: Final answer
x = 42,203,429.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.