Finding the Fourth Proportional to 13,210,086.13, 18,222,176.73 and 8,307,531.97
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Solution
The fourth proportional to 13,210,086.13, 18,222,176.73 and 8,307,531.97 is: 11,459,525.26
Step by Step Solution
- Step 1: Write the proportion equation
13,210,086.13 : 18,222,176.73 = 8,307,531.97 : x - Step 2: Convert to fraction form
13,210,086.13/18,222,176.73 = 8,307,531.97/x - Step 3: Cross multiply
13,210,086.13x = 18,222,176.73 × 8,307,531.97 - Step 4: Simplify right side
13,210,086.13x = 151,381,315,747,465.06 - Step 5: Solve for x
x = 151,381,315,747,465.06/13,210,086.13 - Step 6: Final answer
x = 11,459,525.26
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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.