Finding the Fourth Proportional to 10,679,131.17, 16,013,907.18 and 6,363,215.19
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Solution
The fourth proportional to 10,679,131.17, 16,013,907.18 and 6,363,215.19 is: 9,541,968.89
Step by Step Solution
- Step 1: Write the proportion equation
10,679,131.17 : 16,013,907.18 = 6,363,215.19 : x - Step 2: Convert to fraction form
10,679,131.17/16,013,907.18 = 6,363,215.19/x - Step 3: Cross multiply
10,679,131.17x = 16,013,907.18 × 6,363,215.19 - Step 4: Simplify right side
10,679,131.17x = 101,899,937,419,026.06 - Step 5: Solve for x
x = 101,899,937,419,026.06/10,679,131.17 - Step 6: Final answer
x = 9,541,968.89
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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.