Finding the Fourth Proportional to 39,062,368, 53,906,716.16 and 21,659,447.04
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Solution
The fourth proportional to 39,062,368, 53,906,716.16 and 21,659,447.04 is: 29,890,396.40
Step by Step Solution
- Step 1: Write the proportion equation
39,062,368 : 53,906,716.16 = 21,659,447.04 : x - Step 2: Convert to fraction form
39,062,368/53,906,716.16 = 21,659,447.04/x - Step 3: Cross multiply
39,062,368x = 53,906,716.16 × 21,659,447.04 - Step 4: Simplify right side
39,062,368x = 1,167,589,663,767,832 - Step 5: Solve for x
x = 1,167,589,663,767,832/39,062,368 - Step 6: Final answer
x = 29,890,396.40
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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.