Finding the Fourth Proportional to 8,684,079.40, 13,015,232.70 and 4,425,941.80
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Solution
The fourth proportional to 8,684,079.40, 13,015,232.70 and 4,425,941.80 is: 6,633,364.32
Step by Step Solution
- Step 1: Write the proportion equation
8,684,079.40 : 13,015,232.70 = 4,425,941.80 : x - Step 2: Convert to fraction form
8,684,079.40/13,015,232.70 = 4,425,941.80/x - Step 3: Cross multiply
8,684,079.40x = 13,015,232.70 × 4,425,941.80 - Step 4: Simplify right side
8,684,079.40x = 57,604,662,443,656.85 - Step 5: Solve for x
x = 57,604,662,443,656.85/8,684,079.40 - Step 6: Final answer
x = 6,633,364.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.