Finding the Fourth Proportional to 11,221,871.44, 15,485,872 and 6,327,050.12
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Solution
The fourth proportional to 11,221,871.44, 15,485,872 and 6,327,050.12 is: 8,731,154.05
Step by Step Solution
- Step 1: Write the proportion equation
11,221,871.44 : 15,485,872 = 6,327,050.12 : x - Step 2: Convert to fraction form
11,221,871.44/15,485,872 = 6,327,050.12/x - Step 3: Cross multiply
11,221,871.44x = 15,485,872 × 6,327,050.12 - Step 4: Simplify right side
11,221,871.44x = 97,979,888,295,904.64 - Step 5: Solve for x
x = 97,979,888,295,904.64/11,221,871.44 - Step 6: Final answer
x = 8,731,154.05
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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.