Finding the Fourth Proportional to 12,923,560.18, 17,835,354.12 and 7,418,716.75
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Solution
The fourth proportional to 12,923,560.18, 17,835,354.12 and 7,418,716.75 is: 10,238,311.93
Step by Step Solution
- Step 1: Write the proportion equation
12,923,560.18 : 17,835,354.12 = 7,418,716.75 : x - Step 2: Convert to fraction form
12,923,560.18/17,835,354.12 = 7,418,716.75/x - Step 3: Cross multiply
12,923,560.18x = 17,835,354.12 × 7,418,716.75 - Step 4: Simplify right side
12,923,560.18x = 132,315,440,352,225.52 - Step 5: Solve for x
x = 132,315,440,352,225.52/12,923,560.18 - Step 6: Final answer
x = 10,238,311.93
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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.