Finding the Fourth Proportional to 8,170,916.37, 12,239,807.82 and 3,787,894.99
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Solution
The fourth proportional to 8,170,916.37, 12,239,807.82 and 3,787,894.99 is: 5,674,162.43
Step by Step Solution
- Step 1: Write the proportion equation
8,170,916.37 : 12,239,807.82 = 3,787,894.99 : x - Step 2: Convert to fraction form
8,170,916.37/12,239,807.82 = 3,787,894.99/x - Step 3: Cross multiply
8,170,916.37x = 12,239,807.82 × 3,787,894.99 - Step 4: Simplify right side
8,170,916.37x = 46,363,106,719,940.83 - Step 5: Solve for x
x = 46,363,106,719,940.83/8,170,916.37 - Step 6: Final answer
x = 5,674,162.43
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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.