Finding the Fourth Proportional to 22,531,192.91, 31,094,349.32 and 12,607,988.96
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Solution
The fourth proportional to 22,531,192.91, 31,094,349.32 and 12,607,988.96 is: 17,399,753.96
Step by Step Solution
- Step 1: Write the proportion equation
22,531,192.91 : 31,094,349.32 = 12,607,988.96 : x - Step 2: Convert to fraction form
22,531,192.91/31,094,349.32 = 12,607,988.96/x - Step 3: Cross multiply
22,531,192.91x = 31,094,349.32 × 12,607,988.96 - Step 4: Simplify right side
22,531,192.91x = 392,037,212,910,920.50 - Step 5: Solve for x
x = 392,037,212,910,920.50/22,531,192.91 - Step 6: Final answer
x = 17,399,753.96
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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.