Finding the Fourth Proportional to 18,036,653.02, 24,889,914.08 and 9,776,537.95
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Solution
The fourth proportional to 18,036,653.02, 24,889,914.08 and 9,776,537.95 is: 13,491,260.79
Step by Step Solution
- Step 1: Write the proportion equation
18,036,653.02 : 24,889,914.08 = 9,776,537.95 : x - Step 2: Convert to fraction form
18,036,653.02/24,889,914.08 = 9,776,537.95/x - Step 3: Cross multiply
18,036,653.02x = 24,889,914.08 × 9,776,537.95 - Step 4: Simplify right side
18,036,653.02x = 243,337,189,575,359.31 - Step 5: Solve for x
x = 243,337,189,575,359.31/18,036,653.02 - Step 6: Final answer
x = 13,491,260.79
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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.