Finding the Fourth Proportional to 27,645,135.77, 38,157,876.29 and 16,046,435.95
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Solution
The fourth proportional to 27,645,135.77, 38,157,876.29 and 16,046,435.95 is: 22,148,486.55
Step by Step Solution
- Step 1: Write the proportion equation
27,645,135.77 : 38,157,876.29 = 16,046,435.95 : x - Step 2: Convert to fraction form
27,645,135.77/38,157,876.29 = 16,046,435.95/x - Step 3: Cross multiply
27,645,135.77x = 38,157,876.29 × 16,046,435.95 - Step 4: Simplify right side
27,645,135.77x = 612,297,917,820,230 - Step 5: Solve for x
x = 612,297,917,820,230/27,645,135.77 - Step 6: Final answer
x = 22,148,486.55
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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.