Finding the Fourth Proportional to 11,649,698.87, 16,076,602.15 and 6,492,949.70
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Solution
The fourth proportional to 11,649,698.87, 16,076,602.15 and 6,492,949.70 is: 8,960,280.45
Step by Step Solution
- Step 1: Write the proportion equation
11,649,698.87 : 16,076,602.15 = 6,492,949.70 : x - Step 2: Convert to fraction form
11,649,698.87/16,076,602.15 = 6,492,949.70/x - Step 3: Cross multiply
11,649,698.87x = 16,076,602.15 × 6,492,949.70 - Step 4: Simplify right side
11,649,698.87x = 104,384,569,010,246.48 - Step 5: Solve for x
x = 104,384,569,010,246.48/11,649,698.87 - Step 6: Final answer
x = 8,960,280.45
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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.