Finding the Fourth Proportional to 22,476,892.32, 31,018,188.60 and 12,163,612.68
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Solution
The fourth proportional to 22,476,892.32, 31,018,188.60 and 12,163,612.68 is: 16,785,827.28
Step by Step Solution
- Step 1: Write the proportion equation
22,476,892.32 : 31,018,188.60 = 12,163,612.68 : x - Step 2: Convert to fraction form
22,476,892.32/31,018,188.60 = 12,163,612.68/x - Step 3: Cross multiply
22,476,892.32x = 31,018,188.60 × 12,163,612.68 - Step 4: Simplify right side
22,476,892.32x = 377,293,232,165,591.44 - Step 5: Solve for x
x = 377,293,232,165,591.44/22,476,892.32 - Step 6: Final answer
x = 16,785,827.28
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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.