Finding the Fourth Proportional to 37,689,381.12, 56,539,359.84 and 18,520,893.12
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Solution
The fourth proportional to 37,689,381.12, 56,539,359.84 and 18,520,893.12 is: 27,783,938.33
Step by Step Solution
- Step 1: Write the proportion equation
37,689,381.12 : 56,539,359.84 = 18,520,893.12 : x - Step 2: Convert to fraction form
37,689,381.12/56,539,359.84 = 18,520,893.12/x - Step 3: Cross multiply
37,689,381.12x = 56,539,359.84 × 18,520,893.12 - Step 4: Simplify right side
37,689,381.12x = 1,047,159,440,669,860.38 - Step 5: Solve for x
x = 1,047,159,440,669,860.38/37,689,381.12 - Step 6: Final answer
x = 27,783,938.33
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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.