Finding the Fourth Proportional to 23,385,135.75, 32,255,474.99 and 15,247,396.23
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Solution
The fourth proportional to 23,385,135.75, 32,255,474.99 and 15,247,396.23 is: 21,030,966.55
Step by Step Solution
- Step 1: Write the proportion equation
23,385,135.75 : 32,255,474.99 = 15,247,396.23 : x - Step 2: Convert to fraction form
23,385,135.75/32,255,474.99 = 15,247,396.23/x - Step 3: Cross multiply
23,385,135.75x = 32,255,474.99 × 15,247,396.23 - Step 4: Simplify right side
23,385,135.75x = 491,812,007,683,148.31 - Step 5: Solve for x
x = 491,812,007,683,148.31/23,385,135.75 - Step 6: Final answer
x = 21,030,966.55
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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.