Finding the Fourth Proportional to 33,531,372.12, 50,261,249.70 and 19,123,416.12
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Solution
The fourth proportional to 33,531,372.12, 50,261,249.70 and 19,123,416.12 is: 28,664,702.10
Step by Step Solution
- Step 1: Write the proportion equation
33,531,372.12 : 50,261,249.70 = 19,123,416.12 : x - Step 2: Convert to fraction form
33,531,372.12/50,261,249.70 = 19,123,416.12/x - Step 3: Cross multiply
33,531,372.12x = 50,261,249.70 × 19,123,416.12 - Step 4: Simplify right side
33,531,372.12x = 961,166,792,724,325.25 - Step 5: Solve for x
x = 961,166,792,724,325.25/33,531,372.12 - Step 6: Final answer
x = 28,664,702.10
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1.5x scale
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.