Finding the Fourth Proportional to 22,941,339.42, 31,659,883.84 and 12,486,850.68
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Solution
The fourth proportional to 22,941,339.42, 31,659,883.84 and 12,486,850.68 is: 17,232,308.66
Step by Step Solution
- Step 1: Write the proportion equation
22,941,339.42 : 31,659,883.84 = 12,486,850.68 : x - Step 2: Convert to fraction form
22,941,339.42/31,659,883.84 = 12,486,850.68/x - Step 3: Cross multiply
22,941,339.42x = 31,659,883.84 × 12,486,850.68 - Step 4: Simplify right side
22,941,339.42x = 395,332,242,056,225 - Step 5: Solve for x
x = 395,332,242,056,225/22,941,339.42 - Step 6: Final answer
x = 17,232,308.66
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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.