Finding the Fourth Proportional to 10,363,942.05, 15,545,913.08 and 4,969,815.90
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Solution
The fourth proportional to 10,363,942.05, 15,545,913.08 and 4,969,815.90 is: 7,454,723.85
Step by Step Solution
- Step 1: Write the proportion equation
10,363,942.05 : 15,545,913.08 = 4,969,815.90 : x - Step 2: Convert to fraction form
10,363,942.05/15,545,913.08 = 4,969,815.90/x - Step 3: Cross multiply
10,363,942.05x = 15,545,913.08 × 4,969,815.90 - Step 4: Simplify right side
10,363,942.05x = 77,260,326,005,001.98 - Step 5: Solve for x
x = 77,260,326,005,001.98/10,363,942.05 - Step 6: Final answer
x = 7,454,723.85
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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.