Finding the Fourth Proportional to 39,546,646.30, 59,298,344.62 and 31,401,609.75
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Solution
The fourth proportional to 39,546,646.30, 59,298,344.62 and 31,401,609.75 is: 47,085,243.65
Step by Step Solution
- Step 1: Write the proportion equation
39,546,646.30 : 59,298,344.62 = 31,401,609.75 : x - Step 2: Convert to fraction form
39,546,646.30/59,298,344.62 = 31,401,609.75/x - Step 3: Cross multiply
39,546,646.30x = 59,298,344.62 × 31,401,609.75 - Step 4: Simplify right side
39,546,646.30x = 1,862,063,476,508,510.25 - Step 5: Solve for x
x = 1,862,063,476,508,510.25/39,546,646.30 - Step 6: Final answer
x = 47,085,243.65
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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.