Finding the Fourth Proportional to 12,268,116.70, 18,402,172.17 and 3,292,668.70
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Solution
The fourth proportional to 12,268,116.70, 18,402,172.17 and 3,292,668.70 is: 4,939,002.28
Step by Step Solution
- Step 1: Write the proportion equation
12,268,116.70 : 18,402,172.17 = 3,292,668.70 : x - Step 2: Convert to fraction form
12,268,116.70/18,402,172.17 = 3,292,668.70/x - Step 3: Cross multiply
12,268,116.70x = 18,402,172.17 × 3,292,668.70 - Step 4: Simplify right side
12,268,116.70x = 60,592,256,316,170.09 - Step 5: Solve for x
x = 60,592,256,316,170.09/12,268,116.70 - Step 6: Final answer
x = 4,939,002.28
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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.