Finding the Fourth Proportional to 12,263,659.62, 18,398,336.89 and 4,176,705.28
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Solution
The fourth proportional to 12,263,659.62, 18,398,336.89 and 4,176,705.28 is: 6,266,027.69
Step by Step Solution
- Step 1: Write the proportion equation
12,263,659.62 : 18,398,336.89 = 4,176,705.28 : x - Step 2: Convert to fraction form
12,263,659.62/18,398,336.89 = 4,176,705.28/x - Step 3: Cross multiply
12,263,659.62x = 18,398,336.89 × 4,176,705.28 - Step 4: Simplify right side
12,263,659.62x = 76,844,430,775,244.17 - Step 5: Solve for x
x = 76,844,430,775,244.17/12,263,659.62 - Step 6: Final answer
x = 6,266,027.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.