Finding the Fourth Proportional to 23,765,468.80, 32,795,402.16 and 13,454,330.80
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Solution
The fourth proportional to 23,765,468.80, 32,795,402.16 and 13,454,330.80 is: 18,566,441.63
Step by Step Solution
- Step 1: Write the proportion equation
23,765,468.80 : 32,795,402.16 = 13,454,330.80 : x - Step 2: Convert to fraction form
23,765,468.80/32,795,402.16 = 13,454,330.80/x - Step 3: Cross multiply
23,765,468.80x = 32,795,402.16 × 13,454,330.80 - Step 4: Simplify right side
23,765,468.80x = 441,240,189,379,674.56 - Step 5: Solve for x
x = 441,240,189,379,674.56/23,765,468.80 - Step 6: Final answer
x = 18,566,441.63
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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.