Finding the Fourth Proportional to 29,017,758.40, 43,560,160.80 and 15,580,830.40
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Solution
The fourth proportional to 29,017,758.40, 43,560,160.80 and 15,580,830.40 is: 23,389,245.59
Step by Step Solution
- Step 1: Write the proportion equation
29,017,758.40 : 43,560,160.80 = 15,580,830.40 : x - Step 2: Convert to fraction form
29,017,758.40/43,560,160.80 = 15,580,830.40/x - Step 3: Cross multiply
29,017,758.40x = 43,560,160.80 × 15,580,830.40 - Step 4: Simplify right side
29,017,758.40x = 678,703,477,621,528.25 - Step 5: Solve for x
x = 678,703,477,621,528.25/29,017,758.40 - Step 6: Final answer
x = 23,389,245.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.