Finding the Fourth Proportional to 10,363,926.05, 15,545,889.08 and 4,969,799.90
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Solution
The fourth proportional to 10,363,926.05, 15,545,889.08 and 4,969,799.90 is: 7,454,699.85
Step by Step Solution
- Step 1: Write the proportion equation
10,363,926.05 : 15,545,889.08 = 4,969,799.90 : x - Step 2: Convert to fraction form
10,363,926.05/15,545,889.08 = 4,969,799.90/x - Step 3: Cross multiply
10,363,926.05x = 15,545,889.08 × 4,969,799.90 - Step 4: Simplify right side
10,363,926.05x = 77,259,957,995,195.09 - Step 5: Solve for x
x = 77,259,957,995,195.09/10,363,926.05 - Step 6: Final answer
x = 7,454,699.85
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1.5x scale
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.