Finding the Fourth Proportional to 13,361,313.24, 20,016,177.84 and 7,974,265.68
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Solution
The fourth proportional to 13,361,313.24, 20,016,177.84 and 7,974,265.68 is: 11,946,005.39
Step by Step Solution
- Step 1: Write the proportion equation
13,361,313.24 : 20,016,177.84 = 7,974,265.68 : x - Step 2: Convert to fraction form
13,361,313.24/20,016,177.84 = 7,974,265.68/x - Step 3: Cross multiply
13,361,313.24x = 20,016,177.84 × 7,974,265.68 - Step 4: Simplify right side
13,361,313.24x = 159,614,319,994,288.53 - Step 5: Solve for x
x = 159,614,319,994,288.53/13,361,313.24 - Step 6: Final answer
x = 11,946,005.39
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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.