Finding the Fourth Proportional to 31,906,622.09, 47,856,980.68 and 8,877,905.75
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Solution
The fourth proportional to 31,906,622.09, 47,856,980.68 and 8,877,905.75 is: 13,316,037.12
Step by Step Solution
- Step 1: Write the proportion equation
31,906,622.09 : 47,856,980.68 = 8,877,905.75 : x - Step 2: Convert to fraction form
31,906,622.09/47,856,980.68 = 8,877,905.75/x - Step 3: Cross multiply
31,906,622.09x = 47,856,980.68 × 8,877,905.75 - Step 4: Simplify right side
31,906,622.09x = 424,869,763,981,872.50 - Step 5: Solve for x
x = 424,869,763,981,872.50/31,906,622.09 - Step 6: Final answer
x = 13,316,037.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.