Finding the Fourth Proportional to 39,104,633.68, 53,958,885.80 and 23,419,982.32
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Solution
The fourth proportional to 39,104,633.68, 53,958,885.80 and 23,419,982.32 is: 32,316,276.42
Step by Step Solution
- Step 1: Write the proportion equation
39,104,633.68 : 53,958,885.80 = 23,419,982.32 : x - Step 2: Convert to fraction form
39,104,633.68/53,958,885.80 = 23,419,982.32/x - Step 3: Cross multiply
39,104,633.68x = 53,958,885.80 × 23,419,982.32 - Step 4: Simplify right side
39,104,633.68x = 1,263,716,151,442,899 - Step 5: Solve for x
x = 1,263,716,151,442,899/39,104,633.68 - Step 6: Final answer
x = 32,316,276.42
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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.