Finding the Fourth Proportional to 25,680,938.08, 35,439,691.49 and 14,078,583.53
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Solution
The fourth proportional to 25,680,938.08, 35,439,691.49 and 14,078,583.53 is: 19,428,443.60
Step by Step Solution
- Step 1: Write the proportion equation
25,680,938.08 : 35,439,691.49 = 14,078,583.53 : x - Step 2: Convert to fraction form
25,680,938.08/35,439,691.49 = 14,078,583.53/x - Step 3: Cross multiply
25,680,938.08x = 35,439,691.49 × 14,078,583.53 - Step 4: Simplify right side
25,680,938.08x = 498,940,656,919,395.19 - Step 5: Solve for x
x = 498,940,656,919,395.19/25,680,938.08 - Step 6: Final answer
x = 19,428,443.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.