Finding the Fourth Proportional to 7,365,758.18, 10,161,225.77 and 5,722,922.66
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Solution
The fourth proportional to 7,365,758.18, 10,161,225.77 and 5,722,922.66 is: 7,894,897.95
Step by Step Solution
- Step 1: Write the proportion equation
7,365,758.18 : 10,161,225.77 = 5,722,922.66 : x - Step 2: Convert to fraction form
7,365,758.18/10,161,225.77 = 5,722,922.66/x - Step 3: Cross multiply
7,365,758.18x = 10,161,225.77 × 5,722,922.66 - Step 4: Simplify right side
7,365,758.18x = 58,151,909,133,088.21 - Step 5: Solve for x
x = 58,151,909,133,088.21/7,365,758.18 - Step 6: Final answer
x = 7,894,897.95
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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.