Finding the Fourth Proportional to 7,636,171.63, 10,537,823.97 and 5,684,768.23
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Solution
The fourth proportional to 7,636,171.63, 10,537,823.97 and 5,684,768.23 is: 7,844,911.01
Step by Step Solution
- Step 1: Write the proportion equation
7,636,171.63 : 10,537,823.97 = 5,684,768.23 : x - Step 2: Convert to fraction form
7,636,171.63/10,537,823.97 = 5,684,768.23/x - Step 3: Cross multiply
7,636,171.63x = 10,537,823.97 × 5,684,768.23 - Step 4: Simplify right side
7,636,171.63x = 59,905,086,917,988.48 - Step 5: Solve for x
x = 59,905,086,917,988.48/7,636,171.63 - Step 6: Final answer
x = 7,844,911.01
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1.5x scale
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.