Finding the Fourth Proportional to 10,977,836.84, 15,144,446.84 and 6,625,531.88
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Solution
The fourth proportional to 10,977,836.84, 15,144,446.84 and 6,625,531.88 is: 9,140,235.62
Step by Step Solution
- Step 1: Write the proportion equation
10,977,836.84 : 15,144,446.84 = 6,625,531.88 : x - Step 2: Convert to fraction form
10,977,836.84/15,144,446.84 = 6,625,531.88/x - Step 3: Cross multiply
10,977,836.84x = 15,144,446.84 × 6,625,531.88 - Step 4: Simplify right side
10,977,836.84x = 100,340,015,343,385.25 - Step 5: Solve for x
x = 100,340,015,343,385.25/10,977,836.84 - Step 6: Final answer
x = 9,140,235.62
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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.