Finding the Fourth Proportional to 45,706,138.58, 68,559,609.75 and 11,627,520.50
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Solution
The fourth proportional to 45,706,138.58, 68,559,609.75 and 11,627,520.50 is: 17,441,382.99
Step by Step Solution
- Step 1: Write the proportion equation
45,706,138.58 : 68,559,609.75 = 11,627,520.50 : x - Step 2: Convert to fraction form
45,706,138.58/68,559,609.75 = 11,627,520.50/x - Step 3: Cross multiply
45,706,138.58x = 68,559,609.75 × 11,627,520.50 - Step 4: Simplify right side
45,706,138.58x = 797,178,267,840,124.88 - Step 5: Solve for x
x = 797,178,267,840,124.88/45,706,138.58 - Step 6: Final answer
x = 17,441,382.99
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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.