Finding the Fourth Proportional to 36,290,804.80, 54,436,207.20 and 12,356,276.80
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Solution
The fourth proportional to 36,290,804.80, 54,436,207.20 and 12,356,276.80 is: 18,534,415.20
Step by Step Solution
- Step 1: Write the proportion equation
36,290,804.80 : 54,436,207.20 = 12,356,276.80 : x - Step 2: Convert to fraction form
36,290,804.80/54,436,207.20 = 12,356,276.80/x - Step 3: Cross multiply
36,290,804.80x = 54,436,207.20 × 12,356,276.80 - Step 4: Simplify right side
36,290,804.80x = 672,628,844,105,353 - Step 5: Solve for x
x = 672,628,844,105,353/36,290,804.80 - Step 6: Final answer
x = 18,534,415.20
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1.5x scale
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.