Finding the Fourth Proportional to 10,316,098.62, 14,230,287.09 and 6,441,894.54
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Solution
The fourth proportional to 10,316,098.62, 14,230,287.09 and 6,441,894.54 is: 8,886,112.09
Step by Step Solution
- Step 1: Write the proportion equation
10,316,098.62 : 14,230,287.09 = 6,441,894.54 : x - Step 2: Convert to fraction form
10,316,098.62/14,230,287.09 = 6,441,894.54/x - Step 3: Cross multiply
10,316,098.62x = 14,230,287.09 × 6,441,894.54 - Step 4: Simplify right side
10,316,098.62x = 91,670,008,707,703.48 - Step 5: Solve for x
x = 91,670,008,707,703.48/10,316,098.62 - Step 6: Final answer
x = 8,886,112.09
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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.