Finding the Fourth Proportional to 7,165,696.74, 9,877,135.96 and 4,841,863.44
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Solution
The fourth proportional to 7,165,696.74, 9,877,135.96 and 4,841,863.44 is: 6,673,983.74
Step by Step Solution
- Step 1: Write the proportion equation
7,165,696.74 : 9,877,135.96 = 4,841,863.44 : x - Step 2: Convert to fraction form
7,165,696.74/9,877,135.96 = 4,841,863.44/x - Step 3: Cross multiply
7,165,696.74x = 9,877,135.96 × 4,841,863.44 - Step 4: Simplify right side
7,165,696.74x = 47,823,743,496,633.31 - Step 5: Solve for x
x = 47,823,743,496,633.31/7,165,696.74 - Step 6: Final answer
x = 6,673,983.74
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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.