Finding the Fourth Proportional to 8,217,947.63, 11,340,806.61 and 4,596,275.63
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Solution
The fourth proportional to 8,217,947.63, 11,340,806.61 and 4,596,275.63 is: 6,342,882.11
Step by Step Solution
- Step 1: Write the proportion equation
8,217,947.63 : 11,340,806.61 = 4,596,275.63 : x - Step 2: Convert to fraction form
8,217,947.63/11,340,806.61 = 4,596,275.63/x - Step 3: Cross multiply
8,217,947.63x = 11,340,806.61 × 4,596,275.63 - Step 4: Simplify right side
8,217,947.63x = 52,125,472,989,381.88 - Step 5: Solve for x
x = 52,125,472,989,381.88/8,217,947.63 - Step 6: Final answer
x = 6,342,882.11
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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.