Finding the Fourth Proportional to 15,293,457.36, 21,104,169.84 and 8,416,626.48
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Solution
The fourth proportional to 15,293,457.36, 21,104,169.84 and 8,416,626.48 is: 11,614,503.54
Step by Step Solution
- Step 1: Write the proportion equation
15,293,457.36 : 21,104,169.84 = 8,416,626.48 : x - Step 2: Convert to fraction form
15,293,457.36/21,104,169.84 = 8,416,626.48/x - Step 3: Cross multiply
15,293,457.36x = 21,104,169.84 × 8,416,626.48 - Step 4: Simplify right side
15,293,457.36x = 177,625,914,713,761.38 - Step 5: Solve for x
x = 177,625,914,713,761.38/15,293,457.36 - Step 6: Final answer
x = 11,614,503.54
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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.