Finding the Fourth Proportional to 11,115,484.72, 15,339,368.91 and 6,028,252.72
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Solution
The fourth proportional to 11,115,484.72, 15,339,368.91 and 6,028,252.72 is: 8,318,988.75
Step by Step Solution
- Step 1: Write the proportion equation
11,115,484.72 : 15,339,368.91 = 6,028,252.72 : x - Step 2: Convert to fraction form
11,115,484.72/15,339,368.91 = 6,028,252.72/x - Step 3: Cross multiply
11,115,484.72x = 15,339,368.91 × 6,028,252.72 - Step 4: Simplify right side
11,115,484.72x = 92,469,592,354,790.94 - Step 5: Solve for x
x = 92,469,592,354,790.94/11,115,484.72 - Step 6: Final answer
x = 8,318,988.75
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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.