Finding the Fourth Proportional to 11,334,106.28, 15,641,072.46 and 6,439,336.94
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Solution
The fourth proportional to 11,334,106.28, 15,641,072.46 and 6,439,336.94 is: 8,886,288.27
Step by Step Solution
- Step 1: Write the proportion equation
11,334,106.28 : 15,641,072.46 = 6,439,336.94 : x - Step 2: Convert to fraction form
11,334,106.28/15,641,072.46 = 6,439,336.94/x - Step 3: Cross multiply
11,334,106.28x = 15,641,072.46 × 6,439,336.94 - Step 4: Simplify right side
11,334,106.28x = 100,718,135,594,689.31 - Step 5: Solve for x
x = 100,718,135,594,689.31/11,334,106.28 - Step 6: Final answer
x = 8,886,288.27
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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.