Finding the Fourth Proportional to 13,286,562.80, 19,929,844.47 and 3,189,183.80
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Solution
The fourth proportional to 13,286,562.80, 19,929,844.47 and 3,189,183.80 is: 4,783,775.76
Step by Step Solution
- Step 1: Write the proportion equation
13,286,562.80 : 19,929,844.47 = 3,189,183.80 : x - Step 2: Convert to fraction form
13,286,562.80/19,929,844.47 = 3,189,183.80/x - Step 3: Cross multiply
13,286,562.80x = 19,929,844.47 × 3,189,183.80 - Step 4: Simplify right side
13,286,562.80x = 63,559,937,020,594.36 - Step 5: Solve for x
x = 63,559,937,020,594.36/13,286,562.80 - Step 6: Final answer
x = 4,783,775.76
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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.