Finding the Fourth Proportional to 7,108,481.60, 10,631,618.40 and 6,355,764.80
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Solution
The fourth proportional to 7,108,481.60, 10,631,618.40 and 6,355,764.80 is: 9,505,836.80
Step by Step Solution
- Step 1: Write the proportion equation
7,108,481.60 : 10,631,618.40 = 6,355,764.80 : x - Step 2: Convert to fraction form
7,108,481.60/10,631,618.40 = 6,355,764.80/x - Step 3: Cross multiply
7,108,481.60x = 10,631,618.40 × 6,355,764.80 - Step 4: Simplify right side
7,108,481.60x = 67,572,065,993,752.32 - Step 5: Solve for x
x = 67,572,065,993,752.32/7,108,481.60 - Step 6: Final answer
x = 9,505,836.80
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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.