Finding the Fourth Proportional to 13,528,014.11, 20,291,725.41 and 3,292,927.92
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Solution
The fourth proportional to 13,528,014.11, 20,291,725.41 and 3,292,927.92 is: 4,939,319.89
Step by Step Solution
- Step 1: Write the proportion equation
13,528,014.11 : 20,291,725.41 = 3,292,927.92 : x - Step 2: Convert to fraction form
13,528,014.11/20,291,725.41 = 3,292,927.92/x - Step 3: Cross multiply
13,528,014.11x = 20,291,725.41 × 3,292,927.92 - Step 4: Simplify right side
13,528,014.11x = 66,819,189,147,562.45 - Step 5: Solve for x
x = 66,819,189,147,562.45/13,528,014.11 - Step 6: Final answer
x = 4,939,319.89
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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.