Finding the Fourth Proportional to 11,561,971.95, 15,954,357.56 and 6,404,370.03
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Solution
The fourth proportional to 11,561,971.95, 15,954,357.56 and 6,404,370.03 is: 8,837,386.03
Step by Step Solution
- Step 1: Write the proportion equation
11,561,971.95 : 15,954,357.56 = 6,404,370.03 : x - Step 2: Convert to fraction form
11,561,971.95/15,954,357.56 = 6,404,370.03/x - Step 3: Cross multiply
11,561,971.95x = 15,954,357.56 × 6,404,370.03 - Step 4: Simplify right side
11,561,971.95x = 102,177,609,373,146.08 - Step 5: Solve for x
x = 102,177,609,373,146.08/11,561,971.95 - Step 6: Final answer
x = 8,837,386.03
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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.