Finding the Fourth Proportional to 6,999,466.41, 9,659,838.55 and 3,860,344.09
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Solution
The fourth proportional to 6,999,466.41, 9,659,838.55 and 3,860,344.09 is: 5,327,591.91
Step by Step Solution
- Step 1: Write the proportion equation
6,999,466.41 : 9,659,838.55 = 3,860,344.09 : x - Step 2: Convert to fraction form
6,999,466.41/9,659,838.55 = 3,860,344.09/x - Step 3: Cross multiply
6,999,466.41x = 9,659,838.55 × 3,860,344.09 - Step 4: Simplify right side
6,999,466.41x = 37,290,300,623,046.21 - Step 5: Solve for x
x = 37,290,300,623,046.21/6,999,466.41 - Step 6: Final answer
x = 5,327,591.91
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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.