Finding the Fourth Proportional to 36,498,503.21, 50,366,935.62 and 20,817,173.75
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Solution
The fourth proportional to 36,498,503.21, 50,366,935.62 and 20,817,173.75 is: 28,727,130.09
Step by Step Solution
- Step 1: Write the proportion equation
36,498,503.21 : 50,366,935.62 = 20,817,173.75 : x - Step 2: Convert to fraction form
36,498,503.21/50,366,935.62 = 20,817,173.75/x - Step 3: Cross multiply
36,498,503.21x = 50,366,935.62 × 20,817,173.75 - Step 4: Simplify right side
36,498,503.21x = 1,048,497,249,804,769.25 - Step 5: Solve for x
x = 1,048,497,249,804,769.25/36,498,503.21 - Step 6: Final answer
x = 28,727,130.09
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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.