Finding the Fourth Proportional to 36,169,376.49, 49,912,588.08 and 20,699,128.98
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Solution
The fourth proportional to 36,169,376.49, 49,912,588.08 and 20,699,128.98 is: 28,564,139.02
Step by Step Solution
- Step 1: Write the proportion equation
36,169,376.49 : 49,912,588.08 = 20,699,128.98 : x - Step 2: Convert to fraction form
36,169,376.49/49,912,588.08 = 20,699,128.98/x - Step 3: Cross multiply
36,169,376.49x = 49,912,588.08 × 20,699,128.98 - Step 4: Simplify right side
36,169,376.49x = 1,033,147,098,393,530.50 - Step 5: Solve for x
x = 1,033,147,098,393,530.50/36,169,376.49 - Step 6: Final answer
x = 28,564,139.02
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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.