Finding the Fourth Proportional to 14,641,738.16, 20,205,076.68 and 8,115,977.84
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Solution
The fourth proportional to 14,641,738.16, 20,205,076.68 and 8,115,977.84 is: 11,199,760.08
Step by Step Solution
- Step 1: Write the proportion equation
14,641,738.16 : 20,205,076.68 = 8,115,977.84 : x - Step 2: Convert to fraction form
14,641,738.16/20,205,076.68 = 8,115,977.84/x - Step 3: Cross multiply
14,641,738.16x = 20,205,076.68 × 8,115,977.84 - Step 4: Simplify right side
14,641,738.16x = 163,983,954,590,380.78 - Step 5: Solve for x
x = 163,983,954,590,380.78/14,641,738.16 - Step 6: Final answer
x = 11,199,760.08
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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.