Finding the Fourth Proportional to 9,786,473.70, 14,679,710.55 and 4,397,705.70
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Solution
The fourth proportional to 9,786,473.70, 14,679,710.55 and 4,397,705.70 is: 6,596,558.55
Step by Step Solution
- Step 1: Write the proportion equation
9,786,473.70 : 14,679,710.55 = 4,397,705.70 : x - Step 2: Convert to fraction form
9,786,473.70/14,679,710.55 = 4,397,705.70/x - Step 3: Cross multiply
9,786,473.70x = 14,679,710.55 × 4,397,705.70 - Step 4: Simplify right side
9,786,473.70x = 64,557,046,760,085.14 - Step 5: Solve for x
x = 64,557,046,760,085.14/9,786,473.70 - Step 6: Final answer
x = 6,596,558.55
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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.