Finding the Fourth Proportional to 7,635,925.14, 10,537,305.57 and 4,198,141.14
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Solution
The fourth proportional to 7,635,925.14, 10,537,305.57 and 4,198,141.14 is: 5,793,285.71
Step by Step Solution
- Step 1: Write the proportion equation
7,635,925.14 : 10,537,305.57 = 4,198,141.14 : x - Step 2: Convert to fraction form
7,635,925.14/10,537,305.57 = 4,198,141.14/x - Step 3: Cross multiply
7,635,925.14x = 10,537,305.57 × 4,198,141.14 - Step 4: Simplify right side
7,635,925.14x = 44,237,096,018,168.15 - Step 5: Solve for x
x = 44,237,096,018,168.15/7,635,925.14 - Step 6: Final answer
x = 5,793,285.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.