Finding the Fourth Proportional to 18,226,803.60, 27,308,712.60 and 15,392,451.60
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Solution
The fourth proportional to 18,226,803.60, 27,308,712.60 and 15,392,451.60 is: 23,062,081.88
Step by Step Solution
- Step 1: Write the proportion equation
18,226,803.60 : 27,308,712.60 = 15,392,451.60 : x - Step 2: Convert to fraction form
18,226,803.60/27,308,712.60 = 15,392,451.60/x - Step 3: Cross multiply
18,226,803.60x = 27,308,712.60 × 15,392,451.60 - Step 4: Simplify right side
18,226,803.60x = 420,348,036,953,810.19 - Step 5: Solve for x
x = 420,348,036,953,810.19/18,226,803.60 - Step 6: Final answer
x = 23,062,081.88
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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.