Finding the Fourth Proportional to 13,202,154.18, 19,810,951.79 and 5,525,157.24
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Solution
The fourth proportional to 13,202,154.18, 19,810,951.79 and 5,525,157.24 is: 8,290,966.93
Step by Step Solution
- Step 1: Write the proportion equation
13,202,154.18 : 19,810,951.79 = 5,525,157.24 : x - Step 2: Convert to fraction form
13,202,154.18/19,810,951.79 = 5,525,157.24/x - Step 3: Cross multiply
13,202,154.18x = 19,810,951.79 × 5,525,157.24 - Step 4: Simplify right side
13,202,154.18x = 109,458,623,686,183.67 - Step 5: Solve for x
x = 109,458,623,686,183.67/13,202,154.18 - Step 6: Final answer
x = 8,290,966.93
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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.