Finding the Fourth Proportional to 7,396,929.06, 10,207,799.84 and 4,133,798.28
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Solution
The fourth proportional to 7,396,929.06, 10,207,799.84 and 4,133,798.28 is: 5,704,662.72
Step by Step Solution
- Step 1: Write the proportion equation
7,396,929.06 : 10,207,799.84 = 4,133,798.28 : x - Step 2: Convert to fraction form
7,396,929.06/10,207,799.84 = 4,133,798.28/x - Step 3: Cross multiply
7,396,929.06x = 10,207,799.84 × 4,133,798.28 - Step 4: Simplify right side
7,396,929.06x = 42,196,985,421,176.27 - Step 5: Solve for x
x = 42,196,985,421,176.27/7,396,929.06 - Step 6: Final answer
x = 5,704,662.72
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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.