Finding the Fourth Proportional to 9,725,950.26, 13,421,853.04 and 5,315,764.70
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Solution
The fourth proportional to 9,725,950.26, 13,421,853.04 and 5,315,764.70 is: 7,335,778.07
Step by Step Solution
- Step 1: Write the proportion equation
9,725,950.26 : 13,421,853.04 = 5,315,764.70 : x - Step 2: Convert to fraction form
9,725,950.26/13,421,853.04 = 5,315,764.70/x - Step 3: Cross multiply
9,725,950.26x = 13,421,853.04 × 5,315,764.70 - Step 4: Simplify right side
9,725,950.26x = 71,347,412,598,619.69 - Step 5: Solve for x
x = 71,347,412,598,619.69/9,725,950.26 - Step 6: Final answer
x = 7,335,778.07
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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.