Finding the Fourth Proportional to 7,281,488.59, 10,052,232.27 and 5,319,163.49
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Solution
The fourth proportional to 7,281,488.59, 10,052,232.27 and 5,319,163.49 is: 7,343,205.47
Step by Step Solution
- Step 1: Write the proportion equation
7,281,488.59 : 10,052,232.27 = 5,319,163.49 : x - Step 2: Convert to fraction form
7,281,488.59/10,052,232.27 = 5,319,163.49/x - Step 3: Cross multiply
7,281,488.59x = 10,052,232.27 × 5,319,163.49 - Step 4: Simplify right side
7,281,488.59x = 53,469,466,813,375.80 - Step 5: Solve for x
x = 53,469,466,813,375.80/7,281,488.59 - Step 6: Final answer
x = 7,343,205.47
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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.