Finding the Fourth Proportional to 9,175,403.36, 13,763,804.88 and 2,786,184.92
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Solution
The fourth proportional to 9,175,403.36, 13,763,804.88 and 2,786,184.92 is: 4,179,489.89
Step by Step Solution
- Step 1: Write the proportion equation
9,175,403.36 : 13,763,804.88 = 2,786,184.92 : x - Step 2: Convert to fraction form
9,175,403.36/13,763,804.88 = 2,786,184.92/x - Step 3: Cross multiply
9,175,403.36x = 13,763,804.88 × 2,786,184.92 - Step 4: Simplify right side
9,175,403.36x = 38,348,505,598,478.41 - Step 5: Solve for x
x = 38,348,505,598,478.41/9,175,403.36 - Step 6: Final answer
x = 4,179,489.89
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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.