Finding the Fourth Proportional to 23,560,972.20, 32,440,130.64 and 20,021,302.68
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Solution
The fourth proportional to 23,560,972.20, 32,440,130.64 and 20,021,302.68 is: 27,566,505.70
Step by Step Solution
- Step 1: Write the proportion equation
23,560,972.20 : 32,440,130.64 = 20,021,302.68 : x - Step 2: Convert to fraction form
23,560,972.20/32,440,130.64 = 20,021,302.68/x - Step 3: Cross multiply
23,560,972.20x = 32,440,130.64 × 20,021,302.68 - Step 4: Simplify right side
23,560,972.20x = 649,493,674,522,182.12 - Step 5: Solve for x
x = 649,493,674,522,182.12/23,560,972.20 - Step 6: Final answer
x = 27,566,505.70
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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.