Finding the Fourth Proportional to 27,934,459.09, 41,903,459.80 and 8,765,972.71
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Solution
The fourth proportional to 27,934,459.09, 41,903,459.80 and 8,765,972.71 is: 13,149,514.86
Step by Step Solution
- Step 1: Write the proportion equation
27,934,459.09 : 41,903,459.80 = 8,765,972.71 : x - Step 2: Convert to fraction form
27,934,459.09/41,903,459.80 = 8,765,972.71/x - Step 3: Cross multiply
27,934,459.09x = 41,903,459.80 × 8,765,972.71 - Step 4: Simplify right side
27,934,459.09x = 367,324,584,934,708.44 - Step 5: Solve for x
x = 367,324,584,934,708.44/27,934,459.09 - Step 6: Final answer
x = 13,149,514.86
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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.