Finding the Fourth Proportional to 30,320,460.75, 41,842,235.88 and 17,268,934.08
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Solution
The fourth proportional to 30,320,460.75, 41,842,235.88 and 17,268,934.08 is: 23,831,129.06
Step by Step Solution
- Step 1: Write the proportion equation
30,320,460.75 : 41,842,235.88 = 17,268,934.08 : x - Step 2: Convert to fraction form
30,320,460.75/41,842,235.88 = 17,268,934.08/x - Step 3: Cross multiply
30,320,460.75x = 41,842,235.88 × 17,268,934.08 - Step 4: Simplify right side
30,320,460.75x = 722,570,813,171,530.75 - Step 5: Solve for x
x = 722,570,813,171,530.75/30,320,460.75 - Step 6: Final answer
x = 23,831,129.06
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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.