Finding the Fourth Proportional to 13,286,552.05, 19,929,828.33 and 3,189,173.05
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Solution
The fourth proportional to 13,286,552.05, 19,929,828.33 and 3,189,173.05 is: 4,783,759.63
Step by Step Solution
- Step 1: Write the proportion equation
13,286,552.05 : 19,929,828.33 = 3,189,173.05 : x - Step 2: Convert to fraction form
13,286,552.05/19,929,828.33 = 3,189,173.05/x - Step 3: Cross multiply
13,286,552.05x = 19,929,828.33 × 3,189,173.05 - Step 4: Simplify right side
13,286,552.05x = 63,559,671,339,378.54 - Step 5: Solve for x
x = 63,559,671,339,378.54/13,286,552.05 - Step 6: Final answer
x = 4,783,759.63
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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.