Finding the Fourth Proportional to 9,195,412.63, 12,689,014.19 and 5,474,046.24
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Solution
The fourth proportional to 9,195,412.63, 12,689,014.19 and 5,474,046.24 is: 7,553,793.75
Step by Step Solution
- Step 1: Write the proportion equation
9,195,412.63 : 12,689,014.19 = 5,474,046.24 : x - Step 2: Convert to fraction form
9,195,412.63/12,689,014.19 = 5,474,046.24/x - Step 3: Cross multiply
9,195,412.63x = 12,689,014.19 × 5,474,046.24 - Step 4: Simplify right side
9,195,412.63x = 69,460,250,416,076.15 - Step 5: Solve for x
x = 69,460,250,416,076.15/9,195,412.63 - Step 6: Final answer
x = 7,553,793.75
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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.