Finding the Fourth Proportional to 36,684,927.60, 55,049,164.20 and 13,968,121.20
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Solution
The fourth proportional to 36,684,927.60, 55,049,164.20 and 13,968,121.20 is: 20,960,471.99
Step by Step Solution
- Step 1: Write the proportion equation
36,684,927.60 : 55,049,164.20 = 13,968,121.20 : x - Step 2: Convert to fraction form
36,684,927.60/55,049,164.20 = 13,968,121.20/x - Step 3: Cross multiply
36,684,927.60x = 55,049,164.20 × 13,968,121.20 - Step 4: Simplify right side
36,684,927.60x = 768,933,397,504,301 - Step 5: Solve for x
x = 768,933,397,504,301/36,684,927.60 - Step 6: Final answer
x = 20,960,471.99
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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.