Finding the Fourth Proportional to 13,424,364.96, 18,524,242.80 and 7,543,065.12
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Solution
The fourth proportional to 13,424,364.96, 18,524,242.80 and 7,543,065.12 is: 10,408,653.98
Step by Step Solution
- Step 1: Write the proportion equation
13,424,364.96 : 18,524,242.80 = 7,543,065.12 : x - Step 2: Convert to fraction form
13,424,364.96/18,524,242.80 = 7,543,065.12/x - Step 3: Cross multiply
13,424,364.96x = 18,524,242.80 × 7,543,065.12 - Step 4: Simplify right side
13,424,364.96x = 139,729,569,739,091.14 - Step 5: Solve for x
x = 139,729,569,739,091.14/13,424,364.96 - Step 6: Final answer
x = 10,408,653.98
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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.