Finding the Fourth Proportional to 15,966,348.84, 22,033,570.24 and 8,624,181.94
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Solution
The fourth proportional to 15,966,348.84, 22,033,570.24 and 8,624,181.94 is: 11,901,375.85
Step by Step Solution
- Step 1: Write the proportion equation
15,966,348.84 : 22,033,570.24 = 8,624,181.94 : x - Step 2: Convert to fraction form
15,966,348.84/22,033,570.24 = 8,624,181.94/x - Step 3: Cross multiply
15,966,348.84x = 22,033,570.24 × 8,624,181.94 - Step 4: Simplify right side
15,966,348.84x = 190,021,518,537,529.44 - Step 5: Solve for x
x = 190,021,518,537,529.44/15,966,348.84 - Step 6: Final answer
x = 11,901,375.85
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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.