Finding the Fourth Proportional to 12,259,135.29, 16,917,606.57 and 7,105,486.17
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Solution
The fourth proportional to 12,259,135.29, 16,917,606.57 and 7,105,486.17 is: 9,805,570.84
Step by Step Solution
- Step 1: Write the proportion equation
12,259,135.29 : 16,917,606.57 = 7,105,486.17 : x - Step 2: Convert to fraction form
12,259,135.29/16,917,606.57 = 7,105,486.17/x - Step 3: Cross multiply
12,259,135.29x = 16,917,606.57 × 7,105,486.17 - Step 4: Simplify right side
12,259,135.29x = 120,207,819,512,636.14 - Step 5: Solve for x
x = 120,207,819,512,636.14/12,259,135.29 - Step 6: Final answer
x = 9,805,570.84
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1.5x scale
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.