Finding the Fourth Proportional to 12,467,435.94, 18,703,024.20 and 4,378,986
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Solution
The fourth proportional to 12,467,435.94, 18,703,024.20 and 4,378,986 is: 6,569,135.91
Step by Step Solution
- Step 1: Write the proportion equation
12,467,435.94 : 18,703,024.20 = 4,378,986 : x - Step 2: Convert to fraction form
12,467,435.94/18,703,024.20 = 4,378,986/x - Step 3: Cross multiply
12,467,435.94x = 18,703,024.20 × 4,378,986 - Step 4: Simplify right side
12,467,435.94x = 81,900,281,129,461.20 - Step 5: Solve for x
x = 81,900,281,129,461.20/12,467,435.94 - Step 6: Final answer
x = 6,569,135.91
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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.