Finding the Fourth Proportional to 11,537,181.41, 15,923,440.23 and 7,412,368.88
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Solution
The fourth proportional to 11,537,181.41, 15,923,440.23 and 7,412,368.88 is: 10,230,437.45
Step by Step Solution
- Step 1: Write the proportion equation
11,537,181.41 : 15,923,440.23 = 7,412,368.88 : x - Step 2: Convert to fraction form
11,537,181.41/15,923,440.23 = 7,412,368.88/x - Step 3: Cross multiply
11,537,181.41x = 15,923,440.23 × 7,412,368.88 - Step 4: Simplify right side
11,537,181.41x = 118,030,412,787,529.48 - Step 5: Solve for x
x = 118,030,412,787,529.48/11,537,181.41 - Step 6: Final answer
x = 10,230,437.45
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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.