Finding the Fourth Proportional to 11,401,837.07, 15,734,340.70 and 6,174,802.88
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Solution
The fourth proportional to 11,401,837.07, 15,734,340.70 and 6,174,802.88 is: 8,521,122.66
Step by Step Solution
- Step 1: Write the proportion equation
11,401,837.07 : 15,734,340.70 = 6,174,802.88 : x - Step 2: Convert to fraction form
11,401,837.07/15,734,340.70 = 6,174,802.88/x - Step 3: Cross multiply
11,401,837.07x = 15,734,340.70 × 6,174,802.88 - Step 4: Simplify right side
11,401,837.07x = 97,156,452,269,261.20 - Step 5: Solve for x
x = 97,156,452,269,261.20/11,401,837.07 - Step 6: Final answer
x = 8,521,122.66
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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.