Finding the Fourth Proportional to 37,929,354.75, 52,342,507.94 and 20,525,697.99
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Solution
The fourth proportional to 37,929,354.75, 52,342,507.94 and 20,525,697.99 is: 28,325,462.35
Step by Step Solution
- Step 1: Write the proportion equation
37,929,354.75 : 52,342,507.94 = 20,525,697.99 : x - Step 2: Convert to fraction form
37,929,354.75/52,342,507.94 = 20,525,697.99/x - Step 3: Cross multiply
37,929,354.75x = 52,342,507.94 × 20,525,697.99 - Step 4: Simplify right side
37,929,354.75x = 1,074,366,509,912,988.50 - Step 5: Solve for x
x = 1,074,366,509,912,988.50/37,929,354.75 - Step 6: Final answer
x = 28,325,462.35
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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.