Finding the Fourth Proportional to 7,165,357.00, 9,888,124.61 and 3,902,226.23
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Solution
The fourth proportional to 7,165,357.00, 9,888,124.61 and 3,902,226.23 is: 5,385,035.14
Step by Step Solution
- Step 1: Write the proportion equation
7,165,357.00 : 9,888,124.61 = 3,902,226.23 : x - Step 2: Convert to fraction form
7,165,357.00/9,888,124.61 = 3,902,226.23/x - Step 3: Cross multiply
7,165,357.00x = 9,888,124.61 × 3,902,226.23 - Step 4: Simplify right side
7,165,357.00x = 38,585,699,253,126.40 - Step 5: Solve for x
x = 38,585,699,253,126.40/7,165,357.00 - Step 6: Final answer
x = 5,385,035.14
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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.