Finding the Fourth Proportional to 11,503,907.42, 15,875,380.35 and 6,347,268.54
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Solution
The fourth proportional to 11,503,907.42, 15,875,380.35 and 6,347,268.54 is: 8,759,224.03
Step by Step Solution
- Step 1: Write the proportion equation
11,503,907.42 : 15,875,380.35 = 6,347,268.54 : x - Step 2: Convert to fraction form
11,503,907.42/15,875,380.35 = 6,347,268.54/x - Step 3: Cross multiply
11,503,907.42x = 15,875,380.35 × 6,347,268.54 - Step 4: Simplify right side
11,503,907.42x = 100,765,302,256,089.19 - Step 5: Solve for x
x = 100,765,302,256,089.19/11,503,907.42 - Step 6: Final answer
x = 8,759,224.03
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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.