Finding the Fourth Proportional to 9,205,871.99, 13,793,181.63 and 5,554,930.70
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Solution
The fourth proportional to 9,205,871.99, 13,793,181.63 and 5,554,930.70 is: 8,322,966.93
Step by Step Solution
- Step 1: Write the proportion equation
9,205,871.99 : 13,793,181.63 = 5,554,930.70 : x - Step 2: Convert to fraction form
9,205,871.99/13,793,181.63 = 5,554,930.70/x - Step 3: Cross multiply
9,205,871.99x = 13,793,181.63 × 5,554,930.70 - Step 4: Simplify right side
9,205,871.99x = 76,620,168,100,815 - Step 5: Solve for x
x = 76,620,168,100,815/9,205,871.99 - Step 6: Final answer
x = 8,322,966.93
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.