Finding the Fourth Proportional to 31,906,623.09, 47,856,982.19 and 8,877,906.75
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Solution
The fourth proportional to 31,906,623.09, 47,856,982.19 and 8,877,906.75 is: 13,316,038.62
Step by Step Solution
- Step 1: Write the proportion equation
31,906,623.09 : 47,856,982.19 = 8,877,906.75 : x - Step 2: Convert to fraction form
31,906,623.09/47,856,982.19 = 8,877,906.75/x - Step 3: Cross multiply
31,906,623.09x = 47,856,982.19 × 8,877,906.75 - Step 4: Simplify right side
31,906,623.09x = 424,869,825,174,841.25 - Step 5: Solve for x
x = 424,869,825,174,841.25/31,906,623.09 - Step 6: Final answer
x = 13,316,038.62
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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.