Finding the Fourth Proportional to 13,247,428.44, 19,856,861.55 and 6,409,554.24
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Solution
The fourth proportional to 13,247,428.44, 19,856,861.55 and 6,409,554.24 is: 9,607,421.68
Step by Step Solution
- Step 1: Write the proportion equation
13,247,428.44 : 19,856,861.55 = 6,409,554.24 : x - Step 2: Convert to fraction form
13,247,428.44/19,856,861.55 = 6,409,554.24/x - Step 3: Cross multiply
13,247,428.44x = 19,856,861.55 × 6,409,554.24 - Step 4: Simplify right side
13,247,428.44x = 127,273,631,140,895.48 - Step 5: Solve for x
x = 127,273,631,140,895.48/13,247,428.44 - Step 6: Final answer
x = 9,607,421.68
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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.