Finding the Fourth Proportional to 36,991,984.36, 55,500,299.58 and 12,402,344.26
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Solution
The fourth proportional to 36,991,984.36, 55,500,299.58 and 12,402,344.26 is: 18,607,647.95
Step by Step Solution
- Step 1: Write the proportion equation
36,991,984.36 : 55,500,299.58 = 12,402,344.26 : x - Step 2: Convert to fraction form
36,991,984.36/55,500,299.58 = 12,402,344.26/x - Step 3: Cross multiply
36,991,984.36x = 55,500,299.58 × 12,402,344.26 - Step 4: Simplify right side
36,991,984.36x = 688,333,821,924,293.38 - Step 5: Solve for x
x = 688,333,821,924,293.38/36,991,984.36 - Step 6: Final answer
x = 18,607,647.95
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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.