Finding the Fourth Proportional to 40,127,251.98, 55,398,562.29 and 26,416,074.18
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Solution
The fourth proportional to 40,127,251.98, 55,398,562.29 and 26,416,074.18 is: 36,469,293.53
Step by Step Solution
- Step 1: Write the proportion equation
40,127,251.98 : 55,398,562.29 = 26,416,074.18 : x - Step 2: Convert to fraction form
40,127,251.98/55,398,562.29 = 26,416,074.18/x - Step 3: Cross multiply
40,127,251.98x = 55,398,562.29 × 26,416,074.18 - Step 4: Simplify right side
40,127,251.98x = 1,463,412,530,917,990.75 - Step 5: Solve for x
x = 1,463,412,530,917,990.75/40,127,251.98 - Step 6: Final answer
x = 36,469,293.53
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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.