Finding the Fourth Proportional to 8,251,303.84, 11,386,995.68 and 4,629,899.68
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Solution
The fourth proportional to 8,251,303.84, 11,386,995.68 and 4,629,899.68 is: 6,389,371.75
Step by Step Solution
- Step 1: Write the proportion equation
8,251,303.84 : 11,386,995.68 = 4,629,899.68 : x - Step 2: Convert to fraction form
8,251,303.84/11,386,995.68 = 4,629,899.68/x - Step 3: Cross multiply
8,251,303.84x = 11,386,995.68 × 4,629,899.68 - Step 4: Simplify right side
8,251,303.84x = 52,720,647,654,993.38 - Step 5: Solve for x
x = 52,720,647,654,993.38/8,251,303.84 - Step 6: Final answer
x = 6,389,371.75
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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.