Finding the Fourth Proportional to 11,010,909.21, 16,516,357.73 and 3,438,523.93
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Solution
The fourth proportional to 11,010,909.21, 16,516,357.73 and 3,438,523.93 is: 5,157,783.99
Step by Step Solution
- Step 1: Write the proportion equation
11,010,909.21 : 16,516,357.73 = 3,438,523.93 : x - Step 2: Convert to fraction form
11,010,909.21/16,516,357.73 = 3,438,523.93/x - Step 3: Cross multiply
11,010,909.21x = 16,516,357.73 × 3,438,523.93 - Step 4: Simplify right side
11,010,909.21x = 56,791,891,291,045.48 - Step 5: Solve for x
x = 56,791,891,291,045.48/11,010,909.21 - Step 6: Final answer
x = 5,157,783.99
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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.