Finding the Fourth Proportional to 10,399,593.76, 14,351,390.40 and 5,815,933.36
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Solution
The fourth proportional to 10,399,593.76, 14,351,390.40 and 5,815,933.36 is: 8,025,960.64
Step by Step Solution
- Step 1: Write the proportion equation
10,399,593.76 : 14,351,390.40 = 5,815,933.36 : x - Step 2: Convert to fraction form
10,399,593.76/14,351,390.40 = 5,815,933.36/x - Step 3: Cross multiply
10,399,593.76x = 14,351,390.40 × 5,815,933.36 - Step 4: Simplify right side
10,399,593.76x = 83,466,730,189,743.75 - Step 5: Solve for x
x = 83,466,730,189,743.75/10,399,593.76 - Step 6: Final answer
x = 8,025,960.64
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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.