Finding the Fourth Proportional to 7,423,596.82, 11,141,373.84 and 3,830,391.28
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Solution
The fourth proportional to 7,423,596.82, 11,141,373.84 and 3,830,391.28 is: 5,748,671.73
Step by Step Solution
- Step 1: Write the proportion equation
7,423,596.82 : 11,141,373.84 = 3,830,391.28 : x - Step 2: Convert to fraction form
7,423,596.82/11,141,373.84 = 3,830,391.28/x - Step 3: Cross multiply
7,423,596.82x = 11,141,373.84 × 3,830,391.28 - Step 4: Simplify right side
7,423,596.82x = 42,675,821,203,956.11 - Step 5: Solve for x
x = 42,675,821,203,956.11/7,423,596.82 - Step 6: Final answer
x = 5,748,671.73
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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.