Finding the Fourth Proportional to 38,539,541.76, 57,809,282.56 and 11,613,198.08
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Solution
The fourth proportional to 38,539,541.76, 57,809,282.56 and 11,613,198.08 is: 17,419,788.06
Step by Step Solution
- Step 1: Write the proportion equation
38,539,541.76 : 57,809,282.56 = 11,613,198.08 : x - Step 2: Convert to fraction form
38,539,541.76/57,809,282.56 = 11,613,198.08/x - Step 3: Cross multiply
38,539,541.76x = 57,809,282.56 × 11,613,198.08 - Step 4: Simplify right side
38,539,541.76x = 671,350,649,231,969.50 - Step 5: Solve for x
x = 671,350,649,231,969.50/38,539,541.76 - Step 6: Final answer
x = 17,419,788.06
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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.