Finding the Fourth Proportional to 7,027,696.96, 9,698,153.96 and 3,930,185.96
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Solution
The fourth proportional to 7,027,696.96, 9,698,153.96 and 3,930,185.96 is: 5,423,618.68
Step by Step Solution
- Step 1: Write the proportion equation
7,027,696.96 : 9,698,153.96 = 3,930,185.96 : x - Step 2: Convert to fraction form
7,027,696.96/9,698,153.96 = 3,930,185.96/x - Step 3: Cross multiply
7,027,696.96x = 9,698,153.96 × 3,930,185.96 - Step 4: Simplify right side
7,027,696.96x = 38,115,548,531,510.41 - Step 5: Solve for x
x = 38,115,548,531,510.41/7,027,696.96 - Step 6: Final answer
x = 5,423,618.68
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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.