Finding the Fourth Proportional to 16,286,627.20, 24,429,940.80 and 4,319,363.20
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Solution
The fourth proportional to 16,286,627.20, 24,429,940.80 and 4,319,363.20 is: 6,479,044.80
Step by Step Solution
- Step 1: Write the proportion equation
16,286,627.20 : 24,429,940.80 = 4,319,363.20 : x - Step 2: Convert to fraction form
16,286,627.20/24,429,940.80 = 4,319,363.20/x - Step 3: Cross multiply
16,286,627.20x = 24,429,940.80 × 4,319,363.20 - Step 4: Simplify right side
16,286,627.20x = 105,521,787,269,698.56 - Step 5: Solve for x
x = 105,521,787,269,698.56/16,286,627.20 - Step 6: Final answer
x = 6,479,044.80
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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.