Finding the Fourth Proportional to 12,374,596.81, 17,076,686.72 and 6,867,651.84
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Solution
The fourth proportional to 12,374,596.81, 17,076,686.72 and 6,867,651.84 is: 9,477,216.98
Step by Step Solution
- Step 1: Write the proportion equation
12,374,596.81 : 17,076,686.72 = 6,867,651.84 : x - Step 2: Convert to fraction form
12,374,596.81/17,076,686.72 = 6,867,651.84/x - Step 3: Cross multiply
12,374,596.81x = 17,076,686.72 × 6,867,651.84 - Step 4: Simplify right side
12,374,596.81x = 117,276,738,973,711.55 - Step 5: Solve for x
x = 117,276,738,973,711.55/12,374,596.81 - Step 6: Final answer
x = 9,477,216.98
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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.