Finding the Fourth Proportional to 8,422,748.01, 11,623,392.25 and 4,555,269.18
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Solution
The fourth proportional to 8,422,748.01, 11,623,392.25 and 4,555,269.18 is: 6,286,271.46
Step by Step Solution
- Step 1: Write the proportion equation
8,422,748.01 : 11,623,392.25 = 4,555,269.18 : x - Step 2: Convert to fraction form
8,422,748.01/11,623,392.25 = 4,555,269.18/x - Step 3: Cross multiply
8,422,748.01x = 11,623,392.25 × 4,555,269.18 - Step 4: Simplify right side
8,422,748.01x = 52,947,680,472,087.68 - Step 5: Solve for x
x = 52,947,680,472,087.68/8,422,748.01 - Step 6: Final answer
x = 6,286,271.46
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1.5x scale
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.