Finding the Fourth Proportional to 8,662,042.49, 11,948,830.49 and 5,565,027.02
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Solution
The fourth proportional to 8,662,042.49, 11,948,830.49 and 5,565,027.02 is: 7,676,661.09
Step by Step Solution
- Step 1: Write the proportion equation
8,662,042.49 : 11,948,830.49 = 5,565,027.02 : x - Step 2: Convert to fraction form
8,662,042.49/11,948,830.49 = 5,565,027.02/x - Step 3: Cross multiply
8,662,042.49x = 11,948,830.49 × 5,565,027.02 - Step 4: Simplify right side
8,662,042.49x = 66,495,564,488,418.25 - Step 5: Solve for x
x = 66,495,564,488,418.25/8,662,042.49 - Step 6: Final answer
x = 7,676,661.09
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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.