Finding the Fourth Proportional to 7,814,953.98, 11,702,242.26 and 5,393,578.86
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Solution
The fourth proportional to 7,814,953.98, 11,702,242.26 and 5,393,578.86 is: 8,076,434.82
Step by Step Solution
- Step 1: Write the proportion equation
7,814,953.98 : 11,702,242.26 = 5,393,578.86 : x - Step 2: Convert to fraction form
7,814,953.98/11,702,242.26 = 5,393,578.86/x - Step 3: Cross multiply
7,814,953.98x = 11,702,242.26 × 5,393,578.86 - Step 4: Simplify right side
7,814,953.98x = 63,116,966,468,134.62 - Step 5: Solve for x
x = 63,116,966,468,134.62/7,814,953.98 - Step 6: Final answer
x = 8,076,434.82
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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.