Finding the Fourth Proportional to 16,392,215.20, 24,588,322.80 and 8,429,591.20
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Solution
The fourth proportional to 16,392,215.20, 24,588,322.80 and 8,429,591.20 is: 12,644,386.80
Step by Step Solution
- Step 1: Write the proportion equation
16,392,215.20 : 24,588,322.80 = 8,429,591.20 : x - Step 2: Convert to fraction form
16,392,215.20/24,588,322.80 = 8,429,591.20/x - Step 3: Cross multiply
16,392,215.20x = 24,588,322.80 × 8,429,591.20 - Step 4: Simplify right side
16,392,215.20x = 207,269,509,497,639.34 - Step 5: Solve for x
x = 207,269,509,497,639.34/16,392,215.20 - Step 6: Final answer
x = 12,644,386.80
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1.5x scale
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.