Finding the Fourth Proportional to 13,752,201.47, 18,970,135.32 and 8,586,594.95
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Solution
The fourth proportional to 13,752,201.47, 18,970,135.32 and 8,586,594.95 is: 11,844,566.74
Step by Step Solution
- Step 1: Write the proportion equation
13,752,201.47 : 18,970,135.32 = 8,586,594.95 : x - Step 2: Convert to fraction form
13,752,201.47/18,970,135.32 = 8,586,594.95/x - Step 3: Cross multiply
13,752,201.47x = 18,970,135.32 × 8,586,594.95 - Step 4: Simplify right side
13,752,201.47x = 162,888,868,044,677.97 - Step 5: Solve for x
x = 162,888,868,044,677.97/13,752,201.47 - Step 6: Final answer
x = 11,844,566.74
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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.