Finding the Fourth Proportional to 29,788,920.30, 44,683,380.45 and 18,451,512.30
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Solution
The fourth proportional to 29,788,920.30, 44,683,380.45 and 18,451,512.30 is: 27,677,268.45
Step by Step Solution
- Step 1: Write the proportion equation
29,788,920.30 : 44,683,380.45 = 18,451,512.30 : x - Step 2: Convert to fraction form
29,788,920.30/44,683,380.45 = 18,451,512.30/x - Step 3: Cross multiply
29,788,920.30x = 44,683,380.45 × 18,451,512.30 - Step 4: Simplify right side
29,788,920.30x = 824,475,943,978,754.62 - Step 5: Solve for x
x = 824,475,943,978,754.62/29,788,920.30 - Step 6: Final answer
x = 27,677,268.45
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1.5x scale
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.