Finding the Fourth Proportional to 7,819,160.18, 10,784,043.50 and 5,503,717.66
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Solution
The fourth proportional to 7,819,160.18, 10,784,043.50 and 5,503,717.66 is: 7,590,627.29
Step by Step Solution
- Step 1: Write the proportion equation
7,819,160.18 : 10,784,043.50 = 5,503,717.66 : x - Step 2: Convert to fraction form
7,819,160.18/10,784,043.50 = 5,503,717.66/x - Step 3: Cross multiply
7,819,160.18x = 10,784,043.50 × 5,503,717.66 - Step 4: Simplify right side
7,819,160.18x = 59,352,330,657,158.21 - Step 5: Solve for x
x = 59,352,330,657,158.21/7,819,160.18 - Step 6: Final answer
x = 7,590,627.29
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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.