Finding the Fourth Proportional to 10,830,757.20, 16,252,356.60 and 4,103,998.80
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Solution
The fourth proportional to 10,830,757.20, 16,252,356.60 and 4,103,998.80 is: 6,158,355.39
Step by Step Solution
- Step 1: Write the proportion equation
10,830,757.20 : 16,252,356.60 = 4,103,998.80 : x - Step 2: Convert to fraction form
10,830,757.20/16,252,356.60 = 4,103,998.80/x - Step 3: Cross multiply
10,830,757.20x = 16,252,356.60 × 4,103,998.80 - Step 4: Simplify right side
10,830,757.20x = 66,699,651,983,572.08 - Step 5: Solve for x
x = 66,699,651,983,572.08/10,830,757.20 - Step 6: Final answer
x = 6,158,355.39
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1.5x scale
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.