Finding the Fourth Proportional to 16,382,381.40, 24,542,237.70 and 8,806,829.40
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Solution
The fourth proportional to 16,382,381.40, 24,542,237.70 and 8,806,829.40 is: 13,193,399.37
Step by Step Solution
- Step 1: Write the proportion equation
16,382,381.40 : 24,542,237.70 = 8,806,829.40 : x - Step 2: Convert to fraction form
16,382,381.40/24,542,237.70 = 8,806,829.40/x - Step 3: Cross multiply
16,382,381.40x = 24,542,237.70 × 8,806,829.40 - Step 4: Simplify right side
16,382,381.40x = 216,139,300,518,148.38 - Step 5: Solve for x
x = 216,139,300,518,148.38/16,382,381.40 - Step 6: Final answer
x = 13,193,399.37
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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.