Finding the Fourth Proportional to 19,599,231.20, 29,377,851.60 and 8,814,696.80
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Solution
The fourth proportional to 19,599,231.20, 29,377,851.60 and 8,814,696.80 is: 13,212,602.67
Step by Step Solution
- Step 1: Write the proportion equation
19,599,231.20 : 29,377,851.60 = 8,814,696.80 : x - Step 2: Convert to fraction form
19,599,231.20/29,377,851.60 = 8,814,696.80/x - Step 3: Cross multiply
19,599,231.20x = 29,377,851.60 × 8,814,696.80 - Step 4: Simplify right side
19,599,231.20x = 258,956,854,489,394.91 - Step 5: Solve for x
x = 258,956,854,489,394.91/19,599,231.20 - Step 6: Final answer
x = 13,212,602.67
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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.