Finding the Fourth Proportional to 11,279,540.36, 15,565,349.94 and 6,122,788.76
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Solution
The fourth proportional to 11,279,540.36, 15,565,349.94 and 6,122,788.76 is: 8,449,222.81
Step by Step Solution
- Step 1: Write the proportion equation
11,279,540.36 : 15,565,349.94 = 6,122,788.76 : x - Step 2: Convert to fraction form
11,279,540.36/15,565,349.94 = 6,122,788.76/x - Step 3: Cross multiply
11,279,540.36x = 15,565,349.94 × 6,122,788.76 - Step 4: Simplify right side
11,279,540.36x = 95,303,349,658,098.67 - Step 5: Solve for x
x = 95,303,349,658,098.67/11,279,540.36 - Step 6: Final answer
x = 8,449,222.81
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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.