Finding the Fourth Proportional to 39,040,322.08, 53,875,649.58 and 21,637,790.84
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Solution
The fourth proportional to 39,040,322.08, 53,875,649.58 and 21,637,790.84 is: 29,860,154.19
Step by Step Solution
- Step 1: Write the proportion equation
39,040,322.08 : 53,875,649.58 = 21,637,790.84 : x - Step 2: Convert to fraction form
39,040,322.08/53,875,649.58 = 21,637,790.84/x - Step 3: Cross multiply
39,040,322.08x = 53,875,649.58 × 21,637,790.84 - Step 4: Simplify right side
39,040,322.08x = 1,165,750,036,981,173.75 - Step 5: Solve for x
x = 1,165,750,036,981,173.75/39,040,322.08 - Step 6: Final answer
x = 29,860,154.19
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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.