Finding the Fourth Proportional to 7,653,035.08, 10,561,187.82 and 4,215,276.11
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Solution
The fourth proportional to 7,653,035.08, 10,561,187.82 and 4,215,276.11 is: 5,817,080.70
Step by Step Solution
- Step 1: Write the proportion equation
7,653,035.08 : 10,561,187.82 = 4,215,276.11 : x - Step 2: Convert to fraction form
7,653,035.08/10,561,187.82 = 4,215,276.11/x - Step 3: Cross multiply
7,653,035.08x = 10,561,187.82 × 4,215,276.11 - Step 4: Simplify right side
7,653,035.08x = 44,518,322,681,860.21 - Step 5: Solve for x
x = 44,518,322,681,860.21/7,653,035.08 - Step 6: Final answer
x = 5,817,080.70
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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.