Finding the Fourth Proportional to 7,568,889.77, 10,444,394.21 and 4,215,799.41
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Solution
The fourth proportional to 7,568,889.77, 10,444,394.21 and 4,215,799.41 is: 5,817,427.96
Step by Step Solution
- Step 1: Write the proportion equation
7,568,889.77 : 10,444,394.21 = 4,215,799.41 : x - Step 2: Convert to fraction form
7,568,889.77/10,444,394.21 = 4,215,799.41/x - Step 3: Cross multiply
7,568,889.77x = 10,444,394.21 × 4,215,799.41 - Step 4: Simplify right side
7,568,889.77x = 44,031,470,927,246.42 - Step 5: Solve for x
x = 44,031,470,927,246.42/7,568,889.77 - Step 6: Final answer
x = 5,817,427.96
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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.