Finding the Fourth Proportional to 40,218,906.08, 60,281,119.74 and 18,607,857.80
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Solution
The fourth proportional to 40,218,906.08, 60,281,119.74 and 18,607,857.80 is: 27,889,930.72
Step by Step Solution
- Step 1: Write the proportion equation
40,218,906.08 : 60,281,119.74 = 18,607,857.80 : x - Step 2: Convert to fraction form
40,218,906.08/60,281,119.74 = 18,607,857.80/x - Step 3: Cross multiply
40,218,906.08x = 60,281,119.74 × 18,607,857.80 - Step 4: Simplify right side
40,218,906.08x = 1,121,702,504,146,693 - Step 5: Solve for x
x = 1,121,702,504,146,693/40,218,906.08 - Step 6: Final answer
x = 27,889,930.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.