Finding the Fourth Proportional to 14,076,766.54, 21,115,518.81 and 4,492,135.81
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Solution
The fourth proportional to 14,076,766.54, 21,115,518.81 and 4,492,135.81 is: 6,738,321.47
Step by Step Solution
- Step 1: Write the proportion equation
14,076,766.54 : 21,115,518.81 = 4,492,135.81 : x - Step 2: Convert to fraction form
14,076,766.54/21,115,518.81 = 4,492,135.81/x - Step 3: Cross multiply
14,076,766.54x = 21,115,518.81 × 4,492,135.81 - Step 4: Simplify right side
14,076,766.54x = 94,853,778,193,129.58 - Step 5: Solve for x
x = 94,853,778,193,129.58/14,076,766.54 - Step 6: Final answer
x = 6,738,321.47
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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.