Finding the Fourth Proportional to 16,153,485.60, 24,245,974.80 and 8,075,582.40
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Solution
The fourth proportional to 16,153,485.60, 24,245,974.80 and 8,075,582.40 is: 12,121,245.67
Step by Step Solution
- Step 1: Write the proportion equation
16,153,485.60 : 24,245,974.80 = 8,075,582.40 : x - Step 2: Convert to fraction form
16,153,485.60/24,245,974.80 = 8,075,582.40/x - Step 3: Cross multiply
16,153,485.60x = 24,245,974.80 × 8,075,582.40 - Step 4: Simplify right side
16,153,485.60x = 195,800,367,365,723.53 - Step 5: Solve for x
x = 195,800,367,365,723.53/16,153,485.60 - Step 6: Final answer
x = 12,121,245.67
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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.