Finding the Fourth Proportional to 13,542,657.14, 20,302,027.97 and 10,361,982.75
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Solution
The fourth proportional to 13,542,657.14, 20,302,027.97 and 10,361,982.75 is: 15,533,824.82
Step by Step Solution
- Step 1: Write the proportion equation
13,542,657.14 : 20,302,027.97 = 10,361,982.75 : x - Step 2: Convert to fraction form
13,542,657.14/20,302,027.97 = 10,361,982.75/x - Step 3: Cross multiply
13,542,657.14x = 20,302,027.97 × 10,361,982.75 - Step 4: Simplify right side
13,542,657.14x = 210,369,263,563,347.59 - Step 5: Solve for x
x = 210,369,263,563,347.59/13,542,657.14 - Step 6: Final answer
x = 15,533,824.82
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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.