Finding the Fourth Proportional to 31,519,244.70, 47,242,125.45 and 14,481,639.90
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Solution
The fourth proportional to 31,519,244.70, 47,242,125.45 and 14,481,639.90 is: 21,705,578.78
Step by Step Solution
- Step 1: Write the proportion equation
31,519,244.70 : 47,242,125.45 = 14,481,639.90 : x - Step 2: Convert to fraction form
31,519,244.70/47,242,125.45 = 14,481,639.90/x - Step 3: Cross multiply
31,519,244.70x = 47,242,125.45 × 14,481,639.90 - Step 4: Simplify right side
31,519,244.70x = 684,143,448,877,525.50 - Step 5: Solve for x
x = 684,143,448,877,525.50/31,519,244.70 - Step 6: Final answer
x = 21,705,578.78
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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.