Finding the Fourth Proportional to 11,932,025.76, 16,465,420.26 and 7,036,125.48
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Solution
The fourth proportional to 11,932,025.76, 16,465,420.26 and 7,036,125.48 is: 9,709,395.99
Step by Step Solution
- Step 1: Write the proportion equation
11,932,025.76 : 16,465,420.26 = 7,036,125.48 : x - Step 2: Convert to fraction form
11,932,025.76/16,465,420.26 = 7,036,125.48/x - Step 3: Cross multiply
11,932,025.76x = 16,465,420.26 × 7,036,125.48 - Step 4: Simplify right side
11,932,025.76x = 115,852,763,030,294.23 - Step 5: Solve for x
x = 115,852,763,030,294.23/11,932,025.76 - Step 6: Final answer
x = 9,709,395.99
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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.