Finding the Fourth Proportional to 13,727,253.05, 18,943,601.87 and 7,532,340.44
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Solution
The fourth proportional to 13,727,253.05, 18,943,601.87 and 7,532,340.44 is: 10,394,625.79
Step by Step Solution
- Step 1: Write the proportion equation
13,727,253.05 : 18,943,601.87 = 7,532,340.44 : x - Step 2: Convert to fraction form
13,727,253.05/18,943,601.87 = 7,532,340.44/x - Step 3: Cross multiply
13,727,253.05x = 18,943,601.87 × 7,532,340.44 - Step 4: Simplify right side
13,727,253.05x = 142,689,658,510,850.47 - Step 5: Solve for x
x = 142,689,658,510,850.47/13,727,253.05 - Step 6: Final answer
x = 10,394,625.79
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1.5x scale
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.