Finding the Fourth Proportional to 12,598,513.92, 18,900,763.20 and 4,078,846.08
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Solution
The fourth proportional to 12,598,513.92, 18,900,763.20 and 4,078,846.08 is: 6,119,237.90
Step by Step Solution
- Step 1: Write the proportion equation
12,598,513.92 : 18,900,763.20 = 4,078,846.08 : x - Step 2: Convert to fraction form
12,598,513.92/18,900,763.20 = 4,078,846.08/x - Step 3: Cross multiply
12,598,513.92x = 18,900,763.20 × 4,078,846.08 - Step 4: Simplify right side
12,598,513.92x = 77,093,303,887,328.25 - Step 5: Solve for x
x = 77,093,303,887,328.25/12,598,513.92 - Step 6: Final answer
x = 6,119,237.90
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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.