Finding the Fourth Proportional to 40,638,725.11, 60,964,220.99 and 11,881,249.75
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Solution
The fourth proportional to 40,638,725.11, 60,964,220.99 and 11,881,249.75 is: 17,823,667.78
Step by Step Solution
- Step 1: Write the proportion equation
40,638,725.11 : 60,964,220.99 = 11,881,249.75 : x - Step 2: Convert to fraction form
40,638,725.11/60,964,220.99 = 11,881,249.75/x - Step 3: Cross multiply
40,638,725.11x = 60,964,220.99 × 11,881,249.75 - Step 4: Simplify right side
40,638,725.11x = 724,331,135,396,382.25 - Step 5: Solve for x
x = 724,331,135,396,382.25/40,638,725.11 - Step 6: Final answer
x = 17,823,667.78
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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.