Finding the Fourth Proportional to 9,515,609.34, 13,125,566.16 and 5,645,390.46
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Solution
The fourth proportional to 9,515,609.34, 13,125,566.16 and 5,645,390.46 is: 7,787,094.17
Step by Step Solution
- Step 1: Write the proportion equation
9,515,609.34 : 13,125,566.16 = 5,645,390.46 : x - Step 2: Convert to fraction form
9,515,609.34/13,125,566.16 = 5,645,390.46/x - Step 3: Cross multiply
9,515,609.34x = 13,125,566.16 × 5,645,390.46 - Step 4: Simplify right side
9,515,609.34x = 74,098,945,981,762.83 - Step 5: Solve for x
x = 74,098,945,981,762.83/9,515,609.34 - Step 6: Final answer
x = 7,787,094.17
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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.