Finding the Fourth Proportional to 13,102,476.19, 18,081,489.12 and 7,599,114.47
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Solution
The fourth proportional to 13,102,476.19, 18,081,489.12 and 7,599,114.47 is: 10,486,819.71
Step by Step Solution
- Step 1: Write the proportion equation
13,102,476.19 : 18,081,489.12 = 7,599,114.47 : x - Step 2: Convert to fraction form
13,102,476.19/18,081,489.12 = 7,599,114.47/x - Step 3: Cross multiply
13,102,476.19x = 18,081,489.12 × 7,599,114.47 - Step 4: Simplify right side
13,102,476.19x = 137,403,305,610,939.56 - Step 5: Solve for x
x = 137,403,305,610,939.56/13,102,476.19 - Step 6: Final answer
x = 10,486,819.71
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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.