Finding the Fourth Proportional to 10,142,183.97, 15,218,270.52 and 4,749,903.12
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Solution
The fourth proportional to 10,142,183.97, 15,218,270.52 and 4,749,903.12 is: 7,127,193.79
Step by Step Solution
- Step 1: Write the proportion equation
10,142,183.97 : 15,218,270.52 = 4,749,903.12 : x - Step 2: Convert to fraction form
10,142,183.97/15,218,270.52 = 4,749,903.12/x - Step 3: Cross multiply
10,142,183.97x = 15,218,270.52 × 4,749,903.12 - Step 4: Simplify right side
10,142,183.97x = 72,285,310,623,952.02 - Step 5: Solve for x
x = 72,285,310,623,952.02/10,142,183.97 - Step 6: Final answer
x = 7,127,193.79
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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.