Finding the Fourth Proportional to 39,930,268.68, 55,103,770.62 and 21,595,554.18
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Solution
The fourth proportional to 39,930,268.68, 55,103,770.62 and 21,595,554.18 is: 29,801,864.68
Step by Step Solution
- Step 1: Write the proportion equation
39,930,268.68 : 55,103,770.62 = 21,595,554.18 : x - Step 2: Convert to fraction form
39,930,268.68/55,103,770.62 = 21,595,554.18/x - Step 3: Cross multiply
39,930,268.68x = 55,103,770.62 × 21,595,554.18 - Step 4: Simplify right side
39,930,268.68x = 1,189,996,463,946,502 - Step 5: Solve for x
x = 1,189,996,463,946,502/39,930,268.68 - Step 6: Final answer
x = 29,801,864.68
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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.