Finding the Fourth Proportional to 11,432,859.94, 15,755,542.58 and 11,222,719.31
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Solution
The fourth proportional to 11,432,859.94, 15,755,542.58 and 11,222,719.31 is: 15,465,949.28
Step by Step Solution
- Step 1: Write the proportion equation
11,432,859.94 : 15,755,542.58 = 11,222,719.31 : x - Step 2: Convert to fraction form
11,432,859.94/15,755,542.58 = 11,222,719.31/x - Step 3: Cross multiply
11,432,859.94x = 15,755,542.58 × 11,222,719.31 - Step 4: Simplify right side
11,432,859.94x = 176,820,031,935,368.47 - Step 5: Solve for x
x = 176,820,031,935,368.47/11,432,859.94 - Step 6: Final answer
x = 15,465,949.28
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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.