Finding the Fourth Proportional to 11,510,349.48, 15,884,226.90 and 6,353,665.92
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Solution
The fourth proportional to 11,510,349.48, 15,884,226.90 and 6,353,665.92 is: 8,768,028.40
Step by Step Solution
- Step 1: Write the proportion equation
11,510,349.48 : 15,884,226.90 = 6,353,665.92 : x - Step 2: Convert to fraction form
11,510,349.48/15,884,226.90 = 6,353,665.92/x - Step 3: Cross multiply
11,510,349.48x = 15,884,226.90 × 6,353,665.92 - Step 4: Simplify right side
11,510,349.48x = 100,923,071,120,077.25 - Step 5: Solve for x
x = 100,923,071,120,077.25/11,510,349.48 - Step 6: Final answer
x = 8,768,028.40
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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.