Finding the Fourth Proportional to 10,393,412.12, 14,335,791.98 and 6,776,639
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Solution
The fourth proportional to 10,393,412.12, 14,335,791.98 and 6,776,639 is: 9,347,121.61
Step by Step Solution
- Step 1: Write the proportion equation
10,393,412.12 : 14,335,791.98 = 6,776,639 : x - Step 2: Convert to fraction form
10,393,412.12/14,335,791.98 = 6,776,639/x - Step 3: Cross multiply
10,393,412.12x = 14,335,791.98 × 6,776,639 - Step 4: Simplify right side
10,393,412.12x = 97,148,487,027,555.22 - Step 5: Solve for x
x = 97,148,487,027,555.22/10,393,412.12 - Step 6: Final answer
x = 9,347,121.61
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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.