Finding the Fourth Proportional to 6,912,005.30, 10,368,007.95 and 4,224,619.70
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Solution
The fourth proportional to 6,912,005.30, 10,368,007.95 and 4,224,619.70 is: 6,336,929.55
Step by Step Solution
- Step 1: Write the proportion equation
6,912,005.30 : 10,368,007.95 = 4,224,619.70 : x - Step 2: Convert to fraction form
6,912,005.30/10,368,007.95 = 4,224,619.70/x - Step 3: Cross multiply
6,912,005.30x = 10,368,007.95 × 4,224,619.70 - Step 4: Simplify right side
6,912,005.30x = 43,800,890,635,326.62 - Step 5: Solve for x
x = 43,800,890,635,326.62/6,912,005.30 - Step 6: Final answer
x = 6,336,929.55
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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.