Finding the Fourth Proportional to 40,954,372.85, 61,431,787.91 and 13,660,590.31
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Solution
The fourth proportional to 40,954,372.85, 61,431,787.91 and 13,660,590.31 is: 20,490,961.72
Step by Step Solution
- Step 1: Write the proportion equation
40,954,372.85 : 61,431,787.91 = 13,660,590.31 : x - Step 2: Convert to fraction form
40,954,372.85/61,431,787.91 = 13,660,590.31/x - Step 3: Cross multiply
40,954,372.85x = 61,431,787.91 × 13,660,590.31 - Step 4: Simplify right side
40,954,372.85x = 839,194,486,529,893.12 - Step 5: Solve for x
x = 839,194,486,529,893.12/40,954,372.85 - Step 6: Final answer
x = 20,490,961.72
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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.