Finding the Fourth Proportional to 7,018,838.14, 9,684,336.66 and 4,076,907.17
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Solution
The fourth proportional to 7,018,838.14, 9,684,336.66 and 4,076,907.17 is: 5,625,167.70
Step by Step Solution
- Step 1: Write the proportion equation
7,018,838.14 : 9,684,336.66 = 4,076,907.17 : x - Step 2: Convert to fraction form
7,018,838.14/9,684,336.66 = 4,076,907.17/x - Step 3: Cross multiply
7,018,838.14x = 9,684,336.66 × 4,076,907.17 - Step 4: Simplify right side
7,018,838.14x = 39,482,141,565,847.85 - Step 5: Solve for x
x = 39,482,141,565,847.85/7,018,838.14 - Step 6: Final answer
x = 5,625,167.70
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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.