Finding the Fourth Proportional to 25,774,652.16, 38,609,757.54 and 11,921,922
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Solution
The fourth proportional to 25,774,652.16, 38,609,757.54 and 11,921,922 is: 17,858,728.61
Step by Step Solution
- Step 1: Write the proportion equation
25,774,652.16 : 38,609,757.54 = 11,921,922 : x - Step 2: Convert to fraction form
25,774,652.16/38,609,757.54 = 11,921,922/x - Step 3: Cross multiply
25,774,652.16x = 38,609,757.54 × 11,921,922 - Step 4: Simplify right side
25,774,652.16x = 460,302,517,830,791.88 - Step 5: Solve for x
x = 460,302,517,830,791.88/25,774,652.16 - Step 6: Final answer
x = 17,858,728.61
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1.5x scale
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.