Finding the Fourth Proportional to 27,117,455.95, 40,676,515.02 and 7,948,600.62
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Solution
The fourth proportional to 27,117,455.95, 40,676,515.02 and 7,948,600.62 is: 11,922,997.98
Step by Step Solution
- Step 1: Write the proportion equation
27,117,455.95 : 40,676,515.02 = 7,948,600.62 : x - Step 2: Convert to fraction form
27,117,455.95/40,676,515.02 = 7,948,600.62/x - Step 3: Cross multiply
27,117,455.95x = 40,676,515.02 × 7,948,600.62 - Step 4: Simplify right side
27,117,455.95x = 323,321,372,507,411.31 - Step 5: Solve for x
x = 323,321,372,507,411.31/27,117,455.95 - Step 6: Final answer
x = 11,922,997.98
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1.5x scale
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.