Finding the Fourth Proportional to 13,057,536.87, 19,560,765.74 and 10,755,335.03
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Solution
The fourth proportional to 13,057,536.87, 19,560,765.74 and 10,755,335.03 is: 16,111,965.91
Step by Step Solution
- Step 1: Write the proportion equation
13,057,536.87 : 19,560,765.74 = 10,755,335.03 : x - Step 2: Convert to fraction form
13,057,536.87/19,560,765.74 = 10,755,335.03/x - Step 3: Cross multiply
13,057,536.87x = 19,560,765.74 × 10,755,335.03 - Step 4: Simplify right side
13,057,536.87x = 210,382,588,906,130.38 - Step 5: Solve for x
x = 210,382,588,906,130.38/13,057,536.87 - Step 6: Final answer
x = 16,111,965.91
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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.