Finding the Fourth Proportional to 36,131,354.71, 49,861,321.88 and 19,611,492.09
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Solution
The fourth proportional to 36,131,354.71, 49,861,321.88 and 19,611,492.09 is: 27,063,887.51
Step by Step Solution
- Step 1: Write the proportion equation
36,131,354.71 : 49,861,321.88 = 19,611,492.09 : x - Step 2: Convert to fraction form
36,131,354.71/49,861,321.88 = 19,611,492.09/x - Step 3: Cross multiply
36,131,354.71x = 49,861,321.88 × 19,611,492.09 - Step 4: Simplify right side
36,131,354.71x = 977,854,919,361,526.50 - Step 5: Solve for x
x = 977,854,919,361,526.50/36,131,354.71 - Step 6: Final answer
x = 27,063,887.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.