Finding the Fourth Proportional to 6,396,551.16, 8,826,387.12 and 4,107,811.92
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Solution
The fourth proportional to 6,396,551.16, 8,826,387.12 and 4,107,811.92 is: 5,668,232.35
Step by Step Solution
- Step 1: Write the proportion equation
6,396,551.16 : 8,826,387.12 = 4,107,811.92 : x - Step 2: Convert to fraction form
6,396,551.16/8,826,387.12 = 4,107,811.92/x - Step 3: Cross multiply
6,396,551.16x = 8,826,387.12 × 4,107,811.92 - Step 4: Simplify right side
6,396,551.16x = 36,257,138,222,070.47 - Step 5: Solve for x
x = 36,257,138,222,070.47/6,396,551.16 - Step 6: Final answer
x = 5,668,232.35
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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.