Finding the Fourth Proportional to 28,767,327.96, 39,700,119.42 and 16,544,194.68
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Solution
The fourth proportional to 28,767,327.96, 39,700,119.42 and 16,544,194.68 is: 22,831,682.71
Step by Step Solution
- Step 1: Write the proportion equation
28,767,327.96 : 39,700,119.42 = 16,544,194.68 : x - Step 2: Convert to fraction form
28,767,327.96/39,700,119.42 = 16,544,194.68/x - Step 3: Cross multiply
28,767,327.96x = 39,700,119.42 × 16,544,194.68 - Step 4: Simplify right side
28,767,327.96x = 656,806,504,503,728.75 - Step 5: Solve for x
x = 656,806,504,503,728.75/28,767,327.96 - Step 6: Final answer
x = 22,831,682.71
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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.