Finding the Fourth Proportional to 29,462,816.24, 40,660,729.88 and 17,860,868.72
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Solution
The fourth proportional to 29,462,816.24, 40,660,729.88 and 17,860,868.72 is: 24,649,237.62
Step by Step Solution
- Step 1: Write the proportion equation
29,462,816.24 : 40,660,729.88 = 17,860,868.72 : x - Step 2: Convert to fraction form
29,462,816.24/40,660,729.88 = 17,860,868.72/x - Step 3: Cross multiply
29,462,816.24x = 40,660,729.88 × 17,860,868.72 - Step 4: Simplify right side
29,462,816.24x = 726,235,958,446,061.38 - Step 5: Solve for x
x = 726,235,958,446,061.38/29,462,816.24 - Step 6: Final answer
x = 24,649,237.62
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1.5x scale
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.