Finding the Fourth Proportional to 22,822,108.97, 31,495,272.05 and 12,508,858.49
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Solution
The fourth proportional to 22,822,108.97, 31,495,272.05 and 12,508,858.49 is: 17,262,642.19
Step by Step Solution
- Step 1: Write the proportion equation
22,822,108.97 : 31,495,272.05 = 12,508,858.49 : x - Step 2: Convert to fraction form
22,822,108.97/31,495,272.05 = 12,508,858.49/x - Step 3: Cross multiply
22,822,108.97x = 31,495,272.05 × 12,508,858.49 - Step 4: Simplify right side
22,822,108.97x = 393,969,901,193,696.12 - Step 5: Solve for x
x = 393,969,901,193,696.12/22,822,108.97 - Step 6: Final answer
x = 17,262,642.19
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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.