Finding the Fourth Proportional to 35,350,977.48, 48,777,037.63 and 20,663,802.75
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Solution
The fourth proportional to 35,350,977.48, 48,777,037.63 and 20,663,802.75 is: 28,511,774.11
Step by Step Solution
- Step 1: Write the proportion equation
35,350,977.48 : 48,777,037.63 = 20,663,802.75 : x - Step 2: Convert to fraction form
35,350,977.48/48,777,037.63 = 20,663,802.75/x - Step 3: Cross multiply
35,350,977.48x = 48,777,037.63 × 20,663,802.75 - Step 4: Simplify right side
35,350,977.48x = 1,007,919,084,315,647.50 - Step 5: Solve for x
x = 1,007,919,084,315,647.50/35,350,977.48 - Step 6: Final answer
x = 28,511,774.11
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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.