Finding the Fourth Proportional to 13,235,129.49, 18,266,645.70 and 11,026,490.04
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Solution
The fourth proportional to 13,235,129.49, 18,266,645.70 and 11,026,490.04 is: 15,218,361.64
Step by Step Solution
- Step 1: Write the proportion equation
13,235,129.49 : 18,266,645.70 = 11,026,490.04 : x - Step 2: Convert to fraction form
13,235,129.49/18,266,645.70 = 11,026,490.04/x - Step 3: Cross multiply
13,235,129.49x = 18,266,645.70 × 11,026,490.04 - Step 4: Simplify right side
13,235,129.49x = 201,416,986,875,258.81 - Step 5: Solve for x
x = 201,416,986,875,258.81/13,235,129.49 - Step 6: Final answer
x = 15,218,361.64
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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.