Finding the Fourth Proportional to 9,873,986.31, 14,805,653.85 and 4,479,693.44
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Solution
The fourth proportional to 9,873,986.31, 14,805,653.85 and 4,479,693.44 is: 6,717,123.99
Step by Step Solution
- Step 1: Write the proportion equation
9,873,986.31 : 14,805,653.85 = 4,479,693.44 : x - Step 2: Convert to fraction form
9,873,986.31/14,805,653.85 = 4,479,693.44/x - Step 3: Cross multiply
9,873,986.31x = 14,805,653.85 × 4,479,693.44 - Step 4: Simplify right side
9,873,986.31x = 66,324,790,352,727.47 - Step 5: Solve for x
x = 66,324,790,352,727.47/9,873,986.31 - Step 6: Final answer
x = 6,717,123.99
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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.