Finding the Fourth Proportional to 16,339,943.20, 24,509,914.80 and 4,372,679.20
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Solution
The fourth proportional to 16,339,943.20, 24,509,914.80 and 4,372,679.20 is: 6,559,018.80
Step by Step Solution
- Step 1: Write the proportion equation
16,339,943.20 : 24,509,914.80 = 4,372,679.20 : x - Step 2: Convert to fraction form
16,339,943.20/24,509,914.80 = 4,372,679.20/x - Step 3: Cross multiply
16,339,943.20x = 24,509,914.80 × 4,372,679.20 - Step 4: Simplify right side
16,339,943.20x = 107,173,994,639,732.17 - Step 5: Solve for x
x = 107,173,994,639,732.17/16,339,943.20 - Step 6: Final answer
x = 6,559,018.80
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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.