Finding the Fourth Proportional to 10,078,842.36, 13,904,429.58 and 6,405,794.04
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Solution
The fourth proportional to 10,078,842.36, 13,904,429.58 and 6,405,794.04 is: 8,837,216.51
Step by Step Solution
- Step 1: Write the proportion equation
10,078,842.36 : 13,904,429.58 = 6,405,794.04 : x - Step 2: Convert to fraction form
10,078,842.36/13,904,429.58 = 6,405,794.04/x - Step 3: Cross multiply
10,078,842.36x = 13,904,429.58 × 6,405,794.04 - Step 4: Simplify right side
10,078,842.36x = 89,068,912,133,163.70 - Step 5: Solve for x
x = 89,068,912,133,163.70/10,078,842.36 - Step 6: Final answer
x = 8,837,216.51
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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.