Finding the Fourth Proportional to 8,993,125.70, 12,618,719.50 and 8,993,125.70
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Solution
The fourth proportional to 8,993,125.70, 12,618,719.50 and 8,993,125.70 is: 12,618,719.50
Step by Step Solution
- Step 1: Write the proportion equation
8,993,125.70 : 12,618,719.50 = 8,993,125.70 : x - Step 2: Convert to fraction form
8,993,125.70/12,618,719.50 = 8,993,125.70/x - Step 3: Cross multiply
8,993,125.70x = 12,618,719.50 × 8,993,125.70 - Step 4: Simplify right side
8,993,125.70x = 113,481,730,636,541.14 - Step 5: Solve for x
x = 113,481,730,636,541.14/8,993,125.70 - Step 6: Final answer
x = 12,618,719.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.