Finding the Fourth Proportional to 13,601,119.68, 18,768,871.44 and 7,488,406.08
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Solution
The fourth proportional to 13,601,119.68, 18,768,871.44 and 7,488,406.08 is: 10,333,629.46
Step by Step Solution
- Step 1: Write the proportion equation
13,601,119.68 : 18,768,871.44 = 7,488,406.08 : x - Step 2: Convert to fraction form
13,601,119.68/18,768,871.44 = 7,488,406.08/x - Step 3: Cross multiply
13,601,119.68x = 18,768,871.44 × 7,488,406.08 - Step 4: Simplify right side
13,601,119.68x = 140,548,931,006,034.36 - Step 5: Solve for x
x = 140,548,931,006,034.36/13,601,119.68 - Step 6: Final answer
x = 10,333,629.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.