Finding the Fourth Proportional to 10,190,122.36, 14,062,480.38 and 5,543,933.80
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Solution
The fourth proportional to 10,190,122.36, 14,062,480.38 and 5,543,933.80 is: 7,650,689.32
Step by Step Solution
- Step 1: Write the proportion equation
10,190,122.36 : 14,062,480.38 = 5,543,933.80 : x - Step 2: Convert to fraction form
10,190,122.36/14,062,480.38 = 5,543,933.80/x - Step 3: Cross multiply
10,190,122.36x = 14,062,480.38 × 5,543,933.80 - Step 4: Simplify right side
10,190,122.36x = 77,961,460,290,518.84 - Step 5: Solve for x
x = 77,961,460,290,518.84/10,190,122.36 - Step 6: Final answer
x = 7,650,689.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.