Finding the Fourth Proportional to 10,869,194.37, 16,303,780.98 and 2,782,157.07
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Solution
The fourth proportional to 10,869,194.37, 16,303,780.98 and 2,782,157.07 is: 4,173,232.90
Step by Step Solution
- Step 1: Write the proportion equation
10,869,194.37 : 16,303,780.98 = 2,782,157.07 : x - Step 2: Convert to fraction form
10,869,194.37/16,303,780.98 = 2,782,157.07/x - Step 3: Cross multiply
10,869,194.37x = 16,303,780.98 × 2,782,157.07 - Step 4: Simplify right side
10,869,194.37x = 45,359,679,521,238.52 - Step 5: Solve for x
x = 45,359,679,521,238.52/10,869,194.37 - Step 6: Final answer
x = 4,173,232.90
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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.