Finding the Fourth Proportional to 7,094,018.64, 9,718,840.74 and 6,828,336.42
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Solution
The fourth proportional to 7,094,018.64, 9,718,840.74 and 6,828,336.42 is: 9,354,854.78
Step by Step Solution
- Step 1: Write the proportion equation
7,094,018.64 : 9,718,840.74 = 6,828,336.42 : x - Step 2: Convert to fraction form
7,094,018.64/9,718,840.74 = 6,828,336.42/x - Step 3: Cross multiply
7,094,018.64x = 9,718,840.74 × 6,828,336.42 - Step 4: Simplify right side
7,094,018.64x = 66,363,514,185,121.75 - Step 5: Solve for x
x = 66,363,514,185,121.75/7,094,018.64 - Step 6: Final answer
x = 9,354,854.78
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.