Finding the Fourth Proportional to 15,966,352.35, 22,033,575.07 and 8,624,185.45
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Solution
The fourth proportional to 15,966,352.35, 22,033,575.07 and 8,624,185.45 is: 11,901,380.68
Step by Step Solution
- Step 1: Write the proportion equation
15,966,352.35 : 22,033,575.07 = 8,624,185.45 : x - Step 2: Convert to fraction form
15,966,352.35/22,033,575.07 = 8,624,185.45/x - Step 3: Cross multiply
15,966,352.35x = 22,033,575.07 × 8,624,185.45 - Step 4: Simplify right side
15,966,352.35x = 190,021,637,453,532.31 - Step 5: Solve for x
x = 190,021,637,453,532.31/15,966,352.35 - Step 6: Final answer
x = 11,901,380.68
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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.