Finding the Fourth Proportional to 10,368,331.20, 15,552,496.80 and 2,796,062.40
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Solution
The fourth proportional to 10,368,331.20, 15,552,496.80 and 2,796,062.40 is: 4,194,093.60
Step by Step Solution
- Step 1: Write the proportion equation
10,368,331.20 : 15,552,496.80 = 2,796,062.40 : x - Step 2: Convert to fraction form
10,368,331.20/15,552,496.80 = 2,796,062.40/x - Step 3: Cross multiply
10,368,331.20x = 15,552,496.80 × 2,796,062.40 - Step 4: Simplify right side
10,368,331.20x = 43,485,751,528,600.32 - Step 5: Solve for x
x = 43,485,751,528,600.32/10,368,331.20 - Step 6: Final answer
x = 4,194,093.60
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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.