Finding the Fourth Proportional to 11,415,653.99, 17,121,658.20 and 3,326,737.53
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Solution
The fourth proportional to 11,415,653.99, 17,121,658.20 and 3,326,737.53 is: 4,989,575.10
Step by Step Solution
- Step 1: Write the proportion equation
11,415,653.99 : 17,121,658.20 = 3,326,737.53 : x - Step 2: Convert to fraction form
11,415,653.99/17,121,658.20 = 3,326,737.53/x - Step 3: Cross multiply
11,415,653.99x = 17,121,658.20 × 3,326,737.53 - Step 4: Simplify right side
11,415,653.99x = 56,959,262,909,772.24 - Step 5: Solve for x
x = 56,959,262,909,772.24/11,415,653.99 - Step 6: Final answer
x = 4,989,575.10
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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.