Finding the Fourth Proportional to 7,023,549.18, 10,535,327.84 and 1,974,859.68
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Solution
The fourth proportional to 7,023,549.18, 10,535,327.84 and 1,974,859.68 is: 2,962,290.66
Step by Step Solution
- Step 1: Write the proportion equation
7,023,549.18 : 10,535,327.84 = 1,974,859.68 : x - Step 2: Convert to fraction form
7,023,549.18/10,535,327.84 = 1,974,859.68/x - Step 3: Cross multiply
7,023,549.18x = 10,535,327.84 × 1,974,859.68 - Step 4: Simplify right side
7,023,549.18x = 20,805,794,166,797.49 - Step 5: Solve for x
x = 20,805,794,166,797.49/7,023,549.18 - Step 6: Final answer
x = 2,962,290.66
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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.