Finding the Fourth Proportional to 49,537,971.63, 74,277,519.21 and 18,834,797.70
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Solution
The fourth proportional to 49,537,971.63, 74,277,519.21 and 18,834,797.70 is: 28,241,003.86
Step by Step Solution
- Step 1: Write the proportion equation
49,537,971.63 : 74,277,519.21 = 18,834,797.70 : x - Step 2: Convert to fraction form
49,537,971.63/74,277,519.21 = 18,834,797.70/x - Step 3: Cross multiply
49,537,971.63x = 74,277,519.21 × 18,834,797.70 - Step 4: Simplify right side
49,537,971.63x = 1,399,002,047,978,213.75 - Step 5: Solve for x
x = 1,399,002,047,978,213.75/49,537,971.63 - Step 6: Final answer
x = 28,241,003.86
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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.