Finding the Fourth Proportional to 9,076,494.40, 13,596,079.20 and 6,239,809.60
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Solution
The fourth proportional to 9,076,494.40, 13,596,079.20 and 6,239,809.60 is: 9,346,884.58
Step by Step Solution
- Step 1: Write the proportion equation
9,076,494.40 : 13,596,079.20 = 6,239,809.60 : x - Step 2: Convert to fraction form
9,076,494.40/13,596,079.20 = 6,239,809.60/x - Step 3: Cross multiply
9,076,494.40x = 13,596,079.20 × 6,239,809.60 - Step 4: Simplify right side
9,076,494.40x = 84,836,945,514,520.31 - Step 5: Solve for x
x = 84,836,945,514,520.31/9,076,494.40 - Step 6: Final answer
x = 9,346,884.58
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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.