Finding the Fourth Proportional to 11,072,430.80, 16,608,646.20 and 10,222,125.20
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Solution
The fourth proportional to 11,072,430.80, 16,608,646.20 and 10,222,125.20 is: 15,333,187.80
Step by Step Solution
- Step 1: Write the proportion equation
11,072,430.80 : 16,608,646.20 = 10,222,125.20 : x - Step 2: Convert to fraction form
11,072,430.80/16,608,646.20 = 10,222,125.20/x - Step 3: Cross multiply
11,072,430.80x = 16,608,646.20 × 10,222,125.20 - Step 4: Simplify right side
11,072,430.80x = 169,775,660,858,904.22 - Step 5: Solve for x
x = 169,775,660,858,904.22/11,072,430.80 - Step 6: Final answer
x = 15,333,187.80
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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.