Finding the Fourth Proportional to 53,310,068.28, 79,965,102.42 and 12,920,552.28
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Solution
The fourth proportional to 53,310,068.28, 79,965,102.42 and 12,920,552.28 is: 19,380,828.42
Step by Step Solution
- Step 1: Write the proportion equation
53,310,068.28 : 79,965,102.42 = 12,920,552.28 : x - Step 2: Convert to fraction form
53,310,068.28/79,965,102.42 = 12,920,552.28/x - Step 3: Cross multiply
53,310,068.28x = 79,965,102.42 × 12,920,552.28 - Step 4: Simplify right side
53,310,068.28x = 1,033,193,286,393,164.50 - Step 5: Solve for x
x = 1,033,193,286,393,164.50/53,310,068.28 - Step 6: Final answer
x = 19,380,828.42
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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.