Finding the Fourth Proportional to 7,922,693.12, 11,888,455.26 and 4,279,349.44
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Solution
The fourth proportional to 7,922,693.12, 11,888,455.26 and 4,279,349.44 is: 6,421,409.18
Step by Step Solution
- Step 1: Write the proportion equation
7,922,693.12 : 11,888,455.26 = 4,279,349.44 : x - Step 2: Convert to fraction form
7,922,693.12/11,888,455.26 = 4,279,349.44/x - Step 3: Cross multiply
7,922,693.12x = 11,888,455.26 × 4,279,349.44 - Step 4: Simplify right side
7,922,693.12x = 50,874,854,299,903.77 - Step 5: Solve for x
x = 50,874,854,299,903.77/7,922,693.12 - Step 6: Final answer
x = 6,421,409.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.